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Finding the Fourth Proportional to 292,594.78, 438,892.17 and 82,232.72

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Solution

The fourth proportional to 292,594.78, 438,892.17 and 82,232.72 is: 123,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,594.78 : 438,892.17 = 82,232.72 : x
  2. Step 2: Convert to fraction form
    292,594.78/438,892.17 = 82,232.72/x
  3. Step 3: Cross multiply
    292,594.78x = 438,892.17 × 82,232.72
  4. Step 4: Simplify right side
    292,594.78x = 36,091,296,531.37
  5. Step 5: Solve for x
    x = 36,091,296,531.37/292,594.78
  6. Step 6: Final answer
    x = 123,349.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.