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Finding the Fourth Proportional to 391,150.24, 586,630.53 and 106,842.12

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Solution

The fourth proportional to 391,150.24, 586,630.53 and 106,842.12 is: 160,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,150.24 : 586,630.53 = 106,842.12 : x
  2. Step 2: Convert to fraction form
    391,150.24/586,630.53 = 106,842.12/x
  3. Step 3: Cross multiply
    391,150.24x = 586,630.53 × 106,842.12
  4. Step 4: Simplify right side
    391,150.24x = 62,676,849,481.92
  5. Step 5: Solve for x
    x = 62,676,849,481.92/391,150.24
  6. Step 6: Final answer
    x = 160,237.28

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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.