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Finding the Fourth Proportional to 475,926, 656,765.87 and 271,963.95

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Solution

The fourth proportional to 475,926, 656,765.87 and 271,963.95 is: 375,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,926 : 656,765.87 = 271,963.95 : x
  2. Step 2: Convert to fraction form
    475,926/656,765.87 = 271,963.95/x
  3. Step 3: Cross multiply
    475,926x = 656,765.87 × 271,963.95
  4. Step 4: Simplify right side
    475,926x = 178,616,638,870.57
  5. Step 5: Solve for x
    x = 178,616,638,870.57/475,926
  6. Step 6: Final answer
    x = 375,303.39

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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.