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Finding the Fourth Proportional to 888,366.62, 1,225,945.90 and 480,468.48

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Solution

The fourth proportional to 888,366.62, 1,225,945.90 and 480,468.48 is: 663,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,366.62 : 1,225,945.90 = 480,468.48 : x
  2. Step 2: Convert to fraction form
    888,366.62/1,225,945.90 = 480,468.48/x
  3. Step 3: Cross multiply
    888,366.62x = 1,225,945.90 × 480,468.48
  4. Step 4: Simplify right side
    888,366.62x = 589,028,363,135.23
  5. Step 5: Solve for x
    x = 589,028,363,135.23/888,366.62
  6. Step 6: Final answer
    x = 663,046.48

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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.