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Finding the Fourth Proportional to 502,691.70, 754,037.55 and 303,626.10

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Solution

The fourth proportional to 502,691.70, 754,037.55 and 303,626.10 is: 455,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,691.70 : 754,037.55 = 303,626.10 : x
  2. Step 2: Convert to fraction form
    502,691.70/754,037.55 = 303,626.10/x
  3. Step 3: Cross multiply
    502,691.70x = 754,037.55 × 303,626.10
  4. Step 4: Simplify right side
    502,691.70x = 228,945,480,560.06
  5. Step 5: Solve for x
    x = 228,945,480,560.06/502,691.70
  6. Step 6: Final answer
    x = 455,439.15

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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.