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Finding the Fourth Proportional to 317,230.30, 475,655.36 and 100,995.58

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Solution

The fourth proportional to 317,230.30, 475,655.36 and 100,995.58 is: 151,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,230.30 : 475,655.36 = 100,995.58 : x
  2. Step 2: Convert to fraction form
    317,230.30/475,655.36 = 100,995.58/x
  3. Step 3: Cross multiply
    317,230.30x = 475,655.36 × 100,995.58
  4. Step 4: Simplify right side
    317,230.30x = 48,039,086,585.03
  5. Step 5: Solve for x
    x = 48,039,086,585.03/317,230.30
  6. Step 6: Final answer
    x = 151,432.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.