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Finding the Fourth Proportional to 504,416.04, 696,143.07 and 376,870.20

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Solution

The fourth proportional to 504,416.04, 696,143.07 and 376,870.20 is: 520,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,416.04 : 696,143.07 = 376,870.20 : x
  2. Step 2: Convert to fraction form
    504,416.04/696,143.07 = 376,870.20/x
  3. Step 3: Cross multiply
    504,416.04x = 696,143.07 × 376,870.20
  4. Step 4: Simplify right side
    504,416.04x = 262,355,578,019.51
  5. Step 5: Solve for x
    x = 262,355,578,019.51/504,416.04
  6. Step 6: Final answer
    x = 520,117.44

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Half scale
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Double scale
Find fourth proportional to 504,417.04, 696,144.45 and 376,871.20
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.