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Finding the Fourth Proportional to 335,045.80, 502,520.10 and 98,363.80

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Solution

The fourth proportional to 335,045.80, 502,520.10 and 98,363.80 is: 147,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,045.80 : 502,520.10 = 98,363.80 : x
  2. Step 2: Convert to fraction form
    335,045.80/502,520.10 = 98,363.80/x
  3. Step 3: Cross multiply
    335,045.80x = 502,520.10 × 98,363.80
  4. Step 4: Simplify right side
    335,045.80x = 49,429,786,612.38
  5. Step 5: Solve for x
    x = 49,429,786,612.38/335,045.80
  6. Step 6: Final answer
    x = 147,531.43

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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.