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Finding the Fourth Proportional to 477,375.18, 658,732.68 and 283,767.36

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Solution

The fourth proportional to 477,375.18, 658,732.68 and 283,767.36 is: 391,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,375.18 : 658,732.68 = 283,767.36 : x
  2. Step 2: Convert to fraction form
    477,375.18/658,732.68 = 283,767.36/x
  3. Step 3: Cross multiply
    477,375.18x = 658,732.68 × 283,767.36
  4. Step 4: Simplify right side
    477,375.18x = 186,926,833,549.33
  5. Step 5: Solve for x
    x = 186,926,833,549.33/477,375.18
  6. Step 6: Final answer
    x = 391,572.17

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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.