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Finding the Fourth Proportional to 493,425.29, 680,928.95 and 267,070.79

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Solution

The fourth proportional to 493,425.29, 680,928.95 and 267,070.79 is: 368,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,425.29 : 680,928.95 = 267,070.79 : x
  2. Step 2: Convert to fraction form
    493,425.29/680,928.95 = 267,070.79/x
  3. Step 3: Cross multiply
    493,425.29x = 680,928.95 × 267,070.79
  4. Step 4: Simplify right side
    493,425.29x = 181,856,232,610.37
  5. Step 5: Solve for x
    x = 181,856,232,610.37/493,425.29
  6. Step 6: Final answer
    x = 368,558.80

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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.