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Finding the Fourth Proportional to 542,673.60, 749,232.62 and 349,171.29

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Solution

The fourth proportional to 542,673.60, 749,232.62 and 349,171.29 is: 482,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,673.60 : 749,232.62 = 349,171.29 : x
  2. Step 2: Convert to fraction form
    542,673.60/749,232.62 = 349,171.29/x
  3. Step 3: Cross multiply
    542,673.60x = 749,232.62 × 349,171.29
  4. Step 4: Simplify right side
    542,673.60x = 261,610,520,435.48
  5. Step 5: Solve for x
    x = 261,610,520,435.48/542,673.60
  6. Step 6: Final answer
    x = 482,077.11

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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.