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Finding the Fourth Proportional to 475,126.41, 655,676.33 and 260,267.97

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Solution

The fourth proportional to 475,126.41, 655,676.33 and 260,267.97 is: 359,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,126.41 : 655,676.33 = 260,267.97 : x
  2. Step 2: Convert to fraction form
    475,126.41/655,676.33 = 260,267.97/x
  3. Step 3: Cross multiply
    475,126.41x = 655,676.33 × 260,267.97
  4. Step 4: Simplify right side
    475,126.41x = 170,651,548,036.82
  5. Step 5: Solve for x
    x = 170,651,548,036.82/475,126.41
  6. Step 6: Final answer
    x = 359,170.83

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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.