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Finding the Fourth Proportional to 536,656.92, 803,931.96 and 311,545.38

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Solution

The fourth proportional to 536,656.92, 803,931.96 and 311,545.38 is: 466,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,656.92 : 803,931.96 = 311,545.38 : x
  2. Step 2: Convert to fraction form
    536,656.92/803,931.96 = 311,545.38/x
  3. Step 3: Cross multiply
    536,656.92x = 803,931.96 × 311,545.38
  4. Step 4: Simplify right side
    536,656.92x = 250,461,287,972.35
  5. Step 5: Solve for x
    x = 250,461,287,972.35/536,656.92
  6. Step 6: Final answer
    x = 466,706.53

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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.