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Finding the Fourth Proportional to 560,311.92, 840,475.17 and 186,334.92

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Solution

The fourth proportional to 560,311.92, 840,475.17 and 186,334.92 is: 279,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,311.92 : 840,475.17 = 186,334.92 : x
  2. Step 2: Convert to fraction form
    560,311.92/840,475.17 = 186,334.92/x
  3. Step 3: Cross multiply
    560,311.92x = 840,475.17 × 186,334.92
  4. Step 4: Simplify right side
    560,311.92x = 156,609,873,563.94
  5. Step 5: Solve for x
    x = 156,609,873,563.94/560,311.92
  6. Step 6: Final answer
    x = 279,504.80

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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.