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Finding the Fourth Proportional to 475,553.13, 656,258.56 and 260,696.78

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Solution

The fourth proportional to 475,553.13, 656,258.56 and 260,696.78 is: 359,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,553.13 : 656,258.56 = 260,696.78 : x
  2. Step 2: Convert to fraction form
    475,553.13/656,258.56 = 260,696.78/x
  3. Step 3: Cross multiply
    475,553.13x = 656,258.56 × 260,696.78
  4. Step 4: Simplify right side
    475,553.13x = 171,084,491,967.37
  5. Step 5: Solve for x
    x = 171,084,491,967.37/475,553.13
  6. Step 6: Final answer
    x = 359,758.95

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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.