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Finding the Fourth Proportional to 417,789, 576,549.54 and 238,941

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Solution

The fourth proportional to 417,789, 576,549.54 and 238,941 is: 329,738.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,789 : 576,549.54 = 238,941 : x
  2. Step 2: Convert to fraction form
    417,789/576,549.54 = 238,941/x
  3. Step 3: Cross multiply
    417,789x = 576,549.54 × 238,941
  4. Step 4: Simplify right side
    417,789x = 137,761,323,637.14
  5. Step 5: Solve for x
    x = 137,761,323,637.14/417,789
  6. Step 6: Final answer
    x = 329,738.99

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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.