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Finding the Fourth Proportional to 600,424.20, 898,449.30 and 442,960.20

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Solution

The fourth proportional to 600,424.20, 898,449.30 and 442,960.20 is: 662,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,424.20 : 898,449.30 = 442,960.20 : x
  2. Step 2: Convert to fraction form
    600,424.20/898,449.30 = 442,960.20/x
  3. Step 3: Cross multiply
    600,424.20x = 898,449.30 × 442,960.20
  4. Step 4: Simplify right side
    600,424.20x = 397,977,281,617.86
  5. Step 5: Solve for x
    x = 397,977,281,617.86/600,424.20
  6. Step 6: Final answer
    x = 662,826.85

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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.