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Finding the Fourth Proportional to 502,416.10, 753,624.15 and 455,176.90

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Solution

The fourth proportional to 502,416.10, 753,624.15 and 455,176.90 is: 682,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,416.10 : 753,624.15 = 455,176.90 : x
  2. Step 2: Convert to fraction form
    502,416.10/753,624.15 = 455,176.90/x
  3. Step 3: Cross multiply
    502,416.10x = 753,624.15 × 455,176.90
  4. Step 4: Simplify right side
    502,416.10x = 343,032,304,362.14
  5. Step 5: Solve for x
    x = 343,032,304,362.14/502,416.10
  6. Step 6: Final answer
    x = 682,765.35

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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.