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Finding the Fourth Proportional to 387,098.38, 534,237.88 and 234,220.93

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Solution

The fourth proportional to 387,098.38, 534,237.88 and 234,220.93 is: 323,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,098.38 : 534,237.88 = 234,220.93 : x
  2. Step 2: Convert to fraction form
    387,098.38/534,237.88 = 234,220.93/x
  3. Step 3: Cross multiply
    387,098.38x = 534,237.88 × 234,220.93
  4. Step 4: Simplify right side
    387,098.38x = 125,129,693,094.83
  5. Step 5: Solve for x
    x = 125,129,693,094.83/387,098.38
  6. Step 6: Final answer
    x = 323,250.37

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1.5x scale

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.