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Finding the Fourth Proportional to 888,215.20, 1,332,322.80 and 746,497.60

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Solution

The fourth proportional to 888,215.20, 1,332,322.80 and 746,497.60 is: 1,119,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,215.20 : 1,332,322.80 = 746,497.60 : x
  2. Step 2: Convert to fraction form
    888,215.20/1,332,322.80 = 746,497.60/x
  3. Step 3: Cross multiply
    888,215.20x = 1,332,322.80 × 746,497.60
  4. Step 4: Simplify right side
    888,215.20x = 994,575,772,625.28
  5. Step 5: Solve for x
    x = 994,575,772,625.28/888,215.20
  6. Step 6: Final answer
    x = 1,119,746.40

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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.