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Finding the Fourth Proportional to 515,800.20, 773,700.30 and 160,811.40

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Solution

The fourth proportional to 515,800.20, 773,700.30 and 160,811.40 is: 241,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,800.20 : 773,700.30 = 160,811.40 : x
  2. Step 2: Convert to fraction form
    515,800.20/773,700.30 = 160,811.40/x
  3. Step 3: Cross multiply
    515,800.20x = 773,700.30 × 160,811.40
  4. Step 4: Simplify right side
    515,800.20x = 124,419,828,423.42
  5. Step 5: Solve for x
    x = 124,419,828,423.42/515,800.20
  6. Step 6: Final answer
    x = 241,217.10

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Similar ratio
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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.