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Finding the Fourth Proportional to 316,752.39, 437,118.42 and 173,517.60

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Solution

The fourth proportional to 316,752.39, 437,118.42 and 173,517.60 is: 239,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,752.39 : 437,118.42 = 173,517.60 : x
  2. Step 2: Convert to fraction form
    316,752.39/437,118.42 = 173,517.60/x
  3. Step 3: Cross multiply
    316,752.39x = 437,118.42 × 173,517.60
  4. Step 4: Simplify right side
    316,752.39x = 75,847,739,154.19
  5. Step 5: Solve for x
    x = 75,847,739,154.19/316,752.39
  6. Step 6: Final answer
    x = 239,454.35

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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.