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Finding the Fourth Proportional to 347,420.52, 521,052.32 and 176,469.10

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Solution

The fourth proportional to 347,420.52, 521,052.32 and 176,469.10 is: 264,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,420.52 : 521,052.32 = 176,469.10 : x
  2. Step 2: Convert to fraction form
    347,420.52/521,052.32 = 176,469.10/x
  3. Step 3: Cross multiply
    347,420.52x = 521,052.32 × 176,469.10
  4. Step 4: Simplify right side
    347,420.52x = 91,949,633,963.31
  5. Step 5: Solve for x
    x = 91,949,633,963.31/347,420.52
  6. Step 6: Final answer
    x = 264,663.80

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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.