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Finding the Fourth Proportional to 577,455.48, 866,332.68 and 178,087.44

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Solution

The fourth proportional to 577,455.48, 866,332.68 and 178,087.44 is: 267,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,455.48 : 866,332.68 = 178,087.44 : x
  2. Step 2: Convert to fraction form
    577,455.48/866,332.68 = 178,087.44/x
  3. Step 3: Cross multiply
    577,455.48x = 866,332.68 × 178,087.44
  4. Step 4: Simplify right side
    577,455.48x = 154,282,969,169.54
  5. Step 5: Solve for x
    x = 154,282,969,169.54/577,455.48
  6. Step 6: Final answer
    x = 267,177.25

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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.