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Finding the Fourth Proportional to 534,081.60, 737,034.64 and 292,386.66

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Solution

The fourth proportional to 534,081.60, 737,034.64 and 292,386.66 is: 403,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,081.60 : 737,034.64 = 292,386.66 : x
  2. Step 2: Convert to fraction form
    534,081.60/737,034.64 = 292,386.66/x
  3. Step 3: Cross multiply
    534,081.60x = 737,034.64 × 292,386.66
  4. Step 4: Simplify right side
    534,081.60x = 215,499,096,693.90
  5. Step 5: Solve for x
    x = 215,499,096,693.90/534,081.60
  6. Step 6: Final answer
    x = 403,494.70

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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.