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Finding the Fourth Proportional to 466,383.60, 643,610.13 and 262,445.85

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Solution

The fourth proportional to 466,383.60, 643,610.13 and 262,445.85 is: 362,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,383.60 : 643,610.13 = 262,445.85 : x
  2. Step 2: Convert to fraction form
    466,383.60/643,610.13 = 262,445.85/x
  3. Step 3: Cross multiply
    466,383.60x = 643,610.13 × 262,445.85
  4. Step 4: Simplify right side
    466,383.60x = 168,912,807,636.46
  5. Step 5: Solve for x
    x = 168,912,807,636.46/466,383.60
  6. Step 6: Final answer
    x = 362,175.70

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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.