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Finding the Fourth Proportional to 317,240.68, 437,820.22 and 174,028.62

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Solution

The fourth proportional to 317,240.68, 437,820.22 and 174,028.62 is: 240,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,240.68 : 437,820.22 = 174,028.62 : x
  2. Step 2: Convert to fraction form
    317,240.68/437,820.22 = 174,028.62/x
  3. Step 3: Cross multiply
    317,240.68x = 437,820.22 × 174,028.62
  4. Step 4: Simplify right side
    317,240.68x = 76,193,248,694.70
  5. Step 5: Solve for x
    x = 76,193,248,694.70/317,240.68
  6. Step 6: Final answer
    x = 240,174.90

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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.