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Finding the Fourth Proportional to 662,586.28, 993,579.90 and 189,158.92

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Solution

The fourth proportional to 662,586.28, 993,579.90 and 189,158.92 is: 283,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,586.28 : 993,579.90 = 189,158.92 : x
  2. Step 2: Convert to fraction form
    662,586.28/993,579.90 = 189,158.92/x
  3. Step 3: Cross multiply
    662,586.28x = 993,579.90 × 189,158.92
  4. Step 4: Simplify right side
    662,586.28x = 187,944,500,817.71
  5. Step 5: Solve for x
    x = 187,944,500,817.71/662,586.28
  6. Step 6: Final answer
    x = 283,652.87

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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.