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Finding the Fourth Proportional to 292,374.96, 403,469.28 and 165,062.40

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Solution

The fourth proportional to 292,374.96, 403,469.28 and 165,062.40 is: 227,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,374.96 : 403,469.28 = 165,062.40 : x
  2. Step 2: Convert to fraction form
    292,374.96/403,469.28 = 165,062.40/x
  3. Step 3: Cross multiply
    292,374.96x = 403,469.28 × 165,062.40
  4. Step 4: Simplify right side
    292,374.96x = 66,597,607,683.07
  5. Step 5: Solve for x
    x = 66,597,607,683.07/292,374.96
  6. Step 6: Final answer
    x = 227,781.50

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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.