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Finding the Fourth Proportional to 335,006.40, 502,509.60 and 124,600.80

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Solution

The fourth proportional to 335,006.40, 502,509.60 and 124,600.80 is: 186,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,006.40 : 502,509.60 = 124,600.80 : x
  2. Step 2: Convert to fraction form
    335,006.40/502,509.60 = 124,600.80/x
  3. Step 3: Cross multiply
    335,006.40x = 502,509.60 × 124,600.80
  4. Step 4: Simplify right side
    335,006.40x = 62,613,098,167.68
  5. Step 5: Solve for x
    x = 62,613,098,167.68/335,006.40
  6. Step 6: Final answer
    x = 186,901.20

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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.