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Finding the Fourth Proportional to 560,253.96, 840,432.24 and 223,212.96

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Solution

The fourth proportional to 560,253.96, 840,432.24 and 223,212.96 is: 334,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,253.96 : 840,432.24 = 223,212.96 : x
  2. Step 2: Convert to fraction form
    560,253.96/840,432.24 = 223,212.96/x
  3. Step 3: Cross multiply
    560,253.96x = 840,432.24 × 223,212.96
  4. Step 4: Simplify right side
    560,253.96x = 187,595,367,969.83
  5. Step 5: Solve for x
    x = 187,595,367,969.83/560,253.96
  6. Step 6: Final answer
    x = 334,839.88

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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.