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Finding the Fourth Proportional to 493,955.12, 681,654.30 and 267,599

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Solution

The fourth proportional to 493,955.12, 681,654.30 and 267,599 is: 369,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,955.12 : 681,654.30 = 267,599 : x
  2. Step 2: Convert to fraction form
    493,955.12/681,654.30 = 267,599/x
  3. Step 3: Cross multiply
    493,955.12x = 681,654.30 × 267,599
  4. Step 4: Simplify right side
    493,955.12x = 182,410,009,025.70
  5. Step 5: Solve for x
    x = 182,410,009,025.70/493,955.12
  6. Step 6: Final answer
    x = 369,284.58

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1.5x scale

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.