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Finding the Fourth Proportional to 351,474.40, 527,211.60 and 335,144.80

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Solution

The fourth proportional to 351,474.40, 527,211.60 and 335,144.80 is: 502,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,474.40 : 527,211.60 = 335,144.80 : x
  2. Step 2: Convert to fraction form
    351,474.40/527,211.60 = 335,144.80/x
  3. Step 3: Cross multiply
    351,474.40x = 527,211.60 × 335,144.80
  4. Step 4: Simplify right side
    351,474.40x = 176,692,226,239.68
  5. Step 5: Solve for x
    x = 176,692,226,239.68/351,474.40
  6. Step 6: Final answer
    x = 502,717.20

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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.