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Finding the Fourth Proportional to 475,603.28, 656,332.36 and 260,738.73

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Solution

The fourth proportional to 475,603.28, 656,332.36 and 260,738.73 is: 359,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,603.28 : 656,332.36 = 260,738.73 : x
  2. Step 2: Convert to fraction form
    475,603.28/656,332.36 = 260,738.73/x
  3. Step 3: Cross multiply
    475,603.28x = 656,332.36 × 260,738.73
  4. Step 4: Simplify right side
    475,603.28x = 171,131,266,004.30
  5. Step 5: Solve for x
    x = 171,131,266,004.30/475,603.28
  6. Step 6: Final answer
    x = 359,819.36

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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.