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Finding the Fourth Proportional to 542,673.35, 749,232.28 and 349,171.04

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Solution

The fourth proportional to 542,673.35, 749,232.28 and 349,171.04 is: 482,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,673.35 : 749,232.28 = 349,171.04 : x
  2. Step 2: Convert to fraction form
    542,673.35/749,232.28 = 349,171.04/x
  3. Step 3: Cross multiply
    542,673.35x = 749,232.28 × 349,171.04
  4. Step 4: Simplify right side
    542,673.35x = 261,610,209,790.08
  5. Step 5: Solve for x
    x = 261,610,209,790.08/542,673.35
  6. Step 6: Final answer
    x = 482,076.76

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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.