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Finding the Fourth Proportional to 442,898.80, 664,026.36 and 176,579.44

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Solution

The fourth proportional to 442,898.80, 664,026.36 and 176,579.44 is: 264,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,898.80 : 664,026.36 = 176,579.44 : x
  2. Step 2: Convert to fraction form
    442,898.80/664,026.36 = 176,579.44/x
  3. Step 3: Cross multiply
    442,898.80x = 664,026.36 × 176,579.44
  4. Step 4: Simplify right side
    442,898.80x = 117,253,402,794.04
  5. Step 5: Solve for x
    x = 117,253,402,794.04/442,898.80
  6. Step 6: Final answer
    x = 264,740.85

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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.