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Finding the Fourth Proportional to 482,567.69, 665,944.20 and 267,707.76

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Solution

The fourth proportional to 482,567.69, 665,944.20 and 267,707.76 is: 369,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,567.69 : 665,944.20 = 267,707.76 : x
  2. Step 2: Convert to fraction form
    482,567.69/665,944.20 = 267,707.76/x
  3. Step 3: Cross multiply
    482,567.69x = 665,944.20 × 267,707.76
  4. Step 4: Simplify right side
    482,567.69x = 178,278,429,442.67
  5. Step 5: Solve for x
    x = 178,278,429,442.67/482,567.69
  6. Step 6: Final answer
    x = 369,437.14

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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.