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Finding the Fourth Proportional to 440,264, 607,564.32 and 239,060

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Solution

The fourth proportional to 440,264, 607,564.32 and 239,060 is: 329,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,264 : 607,564.32 = 239,060 : x
  2. Step 2: Convert to fraction form
    440,264/607,564.32 = 239,060/x
  3. Step 3: Cross multiply
    440,264x = 607,564.32 × 239,060
  4. Step 4: Simplify right side
    440,264x = 145,244,326,339.20
  5. Step 5: Solve for x
    x = 145,244,326,339.20/440,264
  6. Step 6: Final answer
    x = 329,902.80

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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.