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Finding the Fourth Proportional to 316,737.44, 437,073.96 and 180,767.60

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Solution

The fourth proportional to 316,737.44, 437,073.96 and 180,767.60 is: 249,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,737.44 : 437,073.96 = 180,767.60 : x
  2. Step 2: Convert to fraction form
    316,737.44/437,073.96 = 180,767.60/x
  3. Step 3: Cross multiply
    316,737.44x = 437,073.96 × 180,767.60
  4. Step 4: Simplify right side
    316,737.44x = 79,008,810,771.70
  5. Step 5: Solve for x
    x = 79,008,810,771.70/316,737.44
  6. Step 6: Final answer
    x = 249,445.76

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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.