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Finding the Fourth Proportional to 443,253.87, 664,853.47 and 176,822.60

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Solution

The fourth proportional to 443,253.87, 664,853.47 and 176,822.60 is: 265,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,253.87 : 664,853.47 = 176,822.60 : x
  2. Step 2: Convert to fraction form
    443,253.87/664,853.47 = 176,822.60/x
  3. Step 3: Cross multiply
    443,253.87x = 664,853.47 × 176,822.60
  4. Step 4: Simplify right side
    443,253.87x = 117,561,115,418.10
  5. Step 5: Solve for x
    x = 117,561,115,418.10/443,253.87
  6. Step 6: Final answer
    x = 265,222.99

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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.