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Finding the Fourth Proportional to 614,023.62, 847,347.02 and 342,086.58

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Solution

The fourth proportional to 614,023.62, 847,347.02 and 342,086.58 is: 472,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,023.62 : 847,347.02 = 342,086.58 : x
  2. Step 2: Convert to fraction form
    614,023.62/847,347.02 = 342,086.58/x
  3. Step 3: Cross multiply
    614,023.62x = 847,347.02 × 342,086.58
  4. Step 4: Simplify right side
    614,023.62x = 289,866,042,434.56
  5. Step 5: Solve for x
    x = 289,866,042,434.56/614,023.62
  6. Step 6: Final answer
    x = 472,076.37

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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.