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Finding the Fourth Proportional to 888,349.27, 1,225,922 and 480,451.12

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Solution

The fourth proportional to 888,349.27, 1,225,922 and 480,451.12 is: 663,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,349.27 : 1,225,922 = 480,451.12 : x
  2. Step 2: Convert to fraction form
    888,349.27/1,225,922 = 480,451.12/x
  3. Step 3: Cross multiply
    888,349.27x = 1,225,922 × 480,451.12
  4. Step 4: Simplify right side
    888,349.27x = 588,995,597,932.64
  5. Step 5: Solve for x
    x = 588,995,597,932.64/888,349.27
  6. Step 6: Final answer
    x = 663,022.55

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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.