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Finding the Fourth Proportional to 614,375.02, 847,809.61 and 342,472.60

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Solution

The fourth proportional to 614,375.02, 847,809.61 and 342,472.60 is: 472,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,375.02 : 847,809.61 = 342,472.60 : x
  2. Step 2: Convert to fraction form
    614,375.02/847,809.61 = 342,472.60/x
  3. Step 3: Cross multiply
    614,375.02x = 847,809.61 × 342,472.60
  4. Step 4: Simplify right side
    614,375.02x = 290,351,561,441.69
  5. Step 5: Solve for x
    x = 290,351,561,441.69/614,375.02
  6. Step 6: Final answer
    x = 472,596.63

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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.