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Finding the Fourth Proportional to 307,545.70, 461,232.15 and 97,248.10

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Solution

The fourth proportional to 307,545.70, 461,232.15 and 97,248.10 is: 145,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,545.70 : 461,232.15 = 97,248.10 : x
  2. Step 2: Convert to fraction form
    307,545.70/461,232.15 = 97,248.10/x
  3. Step 3: Cross multiply
    307,545.70x = 461,232.15 × 97,248.10
  4. Step 4: Simplify right side
    307,545.70x = 44,853,950,246.42
  5. Step 5: Solve for x
    x = 44,853,950,246.42/307,545.70
  6. Step 6: Final answer
    x = 145,844.83

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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.