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Finding the Fourth Proportional to 438,854.76, 658,490.31 and 304,126.04

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Solution

The fourth proportional to 438,854.76, 658,490.31 and 304,126.04 is: 456,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,854.76 : 658,490.31 = 304,126.04 : x
  2. Step 2: Convert to fraction form
    438,854.76/658,490.31 = 304,126.04/x
  3. Step 3: Cross multiply
    438,854.76x = 658,490.31 × 304,126.04
  4. Step 4: Simplify right side
    438,854.76x = 200,264,052,004.90
  5. Step 5: Solve for x
    x = 200,264,052,004.90/438,854.76
  6. Step 6: Final answer
    x = 456,333.33

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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.