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Finding the Fourth Proportional to 502,336.55, 750,253.39 and 454,856.78

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Solution

The fourth proportional to 502,336.55, 750,253.39 and 454,856.78 is: 679,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,336.55 : 750,253.39 = 454,856.78 : x
  2. Step 2: Convert to fraction form
    502,336.55/750,253.39 = 454,856.78/x
  3. Step 3: Cross multiply
    502,336.55x = 750,253.39 × 454,856.78
  4. Step 4: Simplify right side
    502,336.55x = 341,257,841,897.98
  5. Step 5: Solve for x
    x = 341,257,841,897.98/502,336.55
  6. Step 6: Final answer
    x = 679,341.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.