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Finding the Fourth Proportional to 493,400.39, 680,894.60 and 267,045.89

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Solution

The fourth proportional to 493,400.39, 680,894.60 and 267,045.89 is: 368,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,400.39 : 680,894.60 = 267,045.89 : x
  2. Step 2: Convert to fraction form
    493,400.39/680,894.60 = 267,045.89/x
  3. Step 3: Cross multiply
    493,400.39x = 680,894.60 × 267,045.89
  4. Step 4: Simplify right side
    493,400.39x = 181,830,099,713.49
  5. Step 5: Solve for x
    x = 181,830,099,713.49/493,400.39
  6. Step 6: Final answer
    x = 368,524.44

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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.