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Finding the Fourth Proportional to 579,423.60, 869,200.20 and 180,061.20

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Solution

The fourth proportional to 579,423.60, 869,200.20 and 180,061.20 is: 270,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,423.60 : 869,200.20 = 180,061.20 : x
  2. Step 2: Convert to fraction form
    579,423.60/869,200.20 = 180,061.20/x
  3. Step 3: Cross multiply
    579,423.60x = 869,200.20 × 180,061.20
  4. Step 4: Simplify right side
    579,423.60x = 156,509,231,052.24
  5. Step 5: Solve for x
    x = 156,509,231,052.24/579,423.60
  6. Step 6: Final answer
    x = 270,111.94

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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.