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Finding the Fourth Proportional to 351,630.40, 527,040.88 and 174,253.92

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Solution

The fourth proportional to 351,630.40, 527,040.88 and 174,253.92 is: 261,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,630.40 : 527,040.88 = 174,253.92 : x
  2. Step 2: Convert to fraction form
    351,630.40/527,040.88 = 174,253.92/x
  3. Step 3: Cross multiply
    351,630.40x = 527,040.88 × 174,253.92
  4. Step 4: Simplify right side
    351,630.40x = 91,838,939,340.25
  5. Step 5: Solve for x
    x = 91,838,939,340.25/351,630.40
  6. Step 6: Final answer
    x = 261,180.32

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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.