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Finding the Fourth Proportional to 292,672.04, 438,958.38 and 82,260.52

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Solution

The fourth proportional to 292,672.04, 438,958.38 and 82,260.52 is: 123,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,672.04 : 438,958.38 = 82,260.52 : x
  2. Step 2: Convert to fraction form
    292,672.04/438,958.38 = 82,260.52/x
  3. Step 3: Cross multiply
    292,672.04x = 438,958.38 × 82,260.52
  4. Step 4: Simplify right side
    292,672.04x = 36,108,944,597.16
  5. Step 5: Solve for x
    x = 36,108,944,597.16/292,672.04
  6. Step 6: Final answer
    x = 123,376.82

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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.