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Finding the Fourth Proportional to 463,545.98, 695,426.81 and 143,680.88

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Solution

The fourth proportional to 463,545.98, 695,426.81 and 143,680.88 is: 215,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,545.98 : 695,426.81 = 143,680.88 : x
  2. Step 2: Convert to fraction form
    463,545.98/695,426.81 = 143,680.88/x
  3. Step 3: Cross multiply
    463,545.98x = 695,426.81 × 143,680.88
  4. Step 4: Simplify right side
    463,545.98x = 99,919,535,317.99
  5. Step 5: Solve for x
    x = 99,919,535,317.99/463,545.98
  6. Step 6: Final answer
    x = 215,554.74

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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.