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Finding the Fourth Proportional to 482,488.80, 665,914.08 and 267,697.92

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Solution

The fourth proportional to 482,488.80, 665,914.08 and 267,697.92 is: 369,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,488.80 : 665,914.08 = 267,697.92 : x
  2. Step 2: Convert to fraction form
    482,488.80/665,914.08 = 267,697.92/x
  3. Step 3: Cross multiply
    482,488.80x = 665,914.08 × 267,697.92
  4. Step 4: Simplify right side
    482,488.80x = 178,263,814,114.71
  5. Step 5: Solve for x
    x = 178,263,814,114.71/482,488.80
  6. Step 6: Final answer
    x = 369,467.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.