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Finding the Fourth Proportional to 317,161.92, 437,689.45 and 173,913.42

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Solution

The fourth proportional to 317,161.92, 437,689.45 and 173,913.42 is: 240,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,161.92 : 437,689.45 = 173,913.42 : x
  2. Step 2: Convert to fraction form
    317,161.92/437,689.45 = 173,913.42/x
  3. Step 3: Cross multiply
    317,161.92x = 437,689.45 × 173,913.42
  4. Step 4: Simplify right side
    317,161.92x = 76,120,069,147.42
  5. Step 5: Solve for x
    x = 76,120,069,147.42/317,161.92
  6. Step 6: Final answer
    x = 240,003.81

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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.