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Finding the Fourth Proportional to 337,318.73, 505,980.27 and 134,931.74

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Solution

The fourth proportional to 337,318.73, 505,980.27 and 134,931.74 is: 202,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,318.73 : 505,980.27 = 134,931.74 : x
  2. Step 2: Convert to fraction form
    337,318.73/505,980.27 = 134,931.74/x
  3. Step 3: Cross multiply
    337,318.73x = 505,980.27 × 134,931.74
  4. Step 4: Simplify right side
    337,318.73x = 68,272,798,236.77
  5. Step 5: Solve for x
    x = 68,272,798,236.77/337,318.73
  6. Step 6: Final answer
    x = 202,398.48

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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.