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Finding the Fourth Proportional to 598,158.18, 825,425.87 and 339,999.30

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Solution

The fourth proportional to 598,158.18, 825,425.87 and 339,999.30 is: 469,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,158.18 : 825,425.87 = 339,999.30 : x
  2. Step 2: Convert to fraction form
    598,158.18/825,425.87 = 339,999.30/x
  3. Step 3: Cross multiply
    598,158.18x = 825,425.87 × 339,999.30
  4. Step 4: Simplify right side
    598,158.18x = 280,644,216,301.89
  5. Step 5: Solve for x
    x = 280,644,216,301.89/598,158.18
  6. Step 6: Final answer
    x = 469,180.60

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1.5x scale

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.