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Finding the Fourth Proportional to 649,087.88, 973,424.03 and 216,712.50

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Solution

The fourth proportional to 649,087.88, 973,424.03 and 216,712.50 is: 324,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,087.88 : 973,424.03 = 216,712.50 : x
  2. Step 2: Convert to fraction form
    649,087.88/973,424.03 = 216,712.50/x
  3. Step 3: Cross multiply
    649,087.88x = 973,424.03 × 216,712.50
  4. Step 4: Simplify right side
    649,087.88x = 210,953,154,017.81
  5. Step 5: Solve for x
    x = 210,953,154,017.81/649,087.88
  6. Step 6: Final answer
    x = 324,999.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.