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Finding the Fourth Proportional to 579,011.84, 799,525.76 and 435,521.92

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Solution

The fourth proportional to 579,011.84, 799,525.76 and 435,521.92 is: 601,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,011.84 : 799,525.76 = 435,521.92 : x
  2. Step 2: Convert to fraction form
    579,011.84/799,525.76 = 435,521.92/x
  3. Step 3: Cross multiply
    579,011.84x = 799,525.76 × 435,521.92
  4. Step 4: Simplify right side
    579,011.84x = 348,210,994,084.66
  5. Step 5: Solve for x
    x = 348,210,994,084.66/579,011.84
  6. Step 6: Final answer
    x = 601,388.38

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Half scale
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Double scale
Find fourth proportional to 579,012.84, 799,527.14 and 435,522.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.