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Finding the Fourth Proportional to 443,560.88, 612,114.02 and 242,356.88

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Solution

The fourth proportional to 443,560.88, 612,114.02 and 242,356.88 is: 334,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,560.88 : 612,114.02 = 242,356.88 : x
  2. Step 2: Convert to fraction form
    443,560.88/612,114.02 = 242,356.88/x
  3. Step 3: Cross multiply
    443,560.88x = 612,114.02 × 242,356.88
  4. Step 4: Simplify right side
    443,560.88x = 148,350,039,819.10
  5. Step 5: Solve for x
    x = 148,350,039,819.10/443,560.88
  6. Step 6: Final answer
    x = 334,452.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.