Home / 337,517.40-506,276.10-319,146.60

Finding the Fourth Proportional to 337,517.40, 506,276.10 and 319,146.60

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Solution

The fourth proportional to 337,517.40, 506,276.10 and 319,146.60 is: 478,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,517.40 : 506,276.10 = 319,146.60 : x
  2. Step 2: Convert to fraction form
    337,517.40/506,276.10 = 319,146.60/x
  3. Step 3: Cross multiply
    337,517.40x = 506,276.10 × 319,146.60
  4. Step 4: Simplify right side
    337,517.40x = 161,576,295,976.26
  5. Step 5: Solve for x
    x = 161,576,295,976.26/337,517.40
  6. Step 6: Final answer
    x = 478,719.90

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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.