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Finding the Fourth Proportional to 653,069.76, 979,850.88 and 444,672.96

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Solution

The fourth proportional to 653,069.76, 979,850.88 and 444,672.96 is: 667,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,069.76 : 979,850.88 = 444,672.96 : x
  2. Step 2: Convert to fraction form
    653,069.76/979,850.88 = 444,672.96/x
  3. Step 3: Cross multiply
    653,069.76x = 979,850.88 × 444,672.96
  4. Step 4: Simplify right side
    653,069.76x = 435,713,191,168.21
  5. Step 5: Solve for x
    x = 435,713,191,168.21/653,069.76
  6. Step 6: Final answer
    x = 667,177.10

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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.