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Finding the Fourth Proportional to 417,798.62, 576,501.24 and 238,916.06

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Solution

The fourth proportional to 417,798.62, 576,501.24 and 238,916.06 is: 329,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,798.62 : 576,501.24 = 238,916.06 : x
  2. Step 2: Convert to fraction form
    417,798.62/576,501.24 = 238,916.06/x
  3. Step 3: Cross multiply
    417,798.62x = 576,501.24 × 238,916.06
  4. Step 4: Simplify right side
    417,798.62x = 137,735,404,845.91
  5. Step 5: Solve for x
    x = 137,735,404,845.91/417,798.62
  6. Step 6: Final answer
    x = 329,669.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.