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Finding the Fourth Proportional to 700,882.30, 967,217.96 and 378,592.40

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Solution

The fourth proportional to 700,882.30, 967,217.96 and 378,592.40 is: 522,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,882.30 : 967,217.96 = 378,592.40 : x
  2. Step 2: Convert to fraction form
    700,882.30/967,217.96 = 378,592.40/x
  3. Step 3: Cross multiply
    700,882.30x = 967,217.96 × 378,592.40
  4. Step 4: Simplify right side
    700,882.30x = 366,181,368,799.50
  5. Step 5: Solve for x
    x = 366,181,368,799.50/700,882.30
  6. Step 6: Final answer
    x = 522,457.72

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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.