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Finding the Fourth Proportional to 887,671.80, 1,331,507.70 and 887,671.80

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Solution

The fourth proportional to 887,671.80, 1,331,507.70 and 887,671.80 is: 1,331,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,671.80 : 1,331,507.70 = 887,671.80 : x
  2. Step 2: Convert to fraction form
    887,671.80/1,331,507.70 = 887,671.80/x
  3. Step 3: Cross multiply
    887,671.80x = 1,331,507.70 × 887,671.80
  4. Step 4: Simplify right side
    887,671.80x = 1,181,941,836,772.86
  5. Step 5: Solve for x
    x = 1,181,941,836,772.86/887,671.80
  6. Step 6: Final answer
    x = 1,331,507.70

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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.