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Finding the Fourth Proportional to 317,000.31, 437,460.53 and 173,761.33

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Solution

The fourth proportional to 317,000.31, 437,460.53 and 173,761.33 is: 239,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,000.31 : 437,460.53 = 173,761.33 : x
  2. Step 2: Convert to fraction form
    317,000.31/437,460.53 = 173,761.33/x
  3. Step 3: Cross multiply
    317,000.31x = 437,460.53 × 173,761.33
  4. Step 4: Simplify right side
    317,000.31x = 76,013,723,515.30
  5. Step 5: Solve for x
    x = 76,013,723,515.30/317,000.31
  6. Step 6: Final answer
    x = 239,790.69

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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.