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Finding the Fourth Proportional to 292,483.44, 438,753.96 and 121,670.10

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Solution

The fourth proportional to 292,483.44, 438,753.96 and 121,670.10 is: 182,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,483.44 : 438,753.96 = 121,670.10 : x
  2. Step 2: Convert to fraction form
    292,483.44/438,753.96 = 121,670.10/x
  3. Step 3: Cross multiply
    292,483.44x = 438,753.96 × 121,670.10
  4. Step 4: Simplify right side
    292,483.44x = 53,383,238,188.60
  5. Step 5: Solve for x
    x = 53,383,238,188.60/292,483.44
  6. Step 6: Final answer
    x = 182,517.13

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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.