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Finding the Fourth Proportional to 493,906.08, 681,590.16 and 267,549.60

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Solution

The fourth proportional to 493,906.08, 681,590.16 and 267,549.60 is: 369,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,906.08 : 681,590.16 = 267,549.60 : x
  2. Step 2: Convert to fraction form
    493,906.08/681,590.16 = 267,549.60/x
  3. Step 3: Cross multiply
    493,906.08x = 681,590.16 × 267,549.60
  4. Step 4: Simplify right side
    493,906.08x = 182,359,174,671.94
  5. Step 5: Solve for x
    x = 182,359,174,671.94/493,906.08
  6. Step 6: Final answer
    x = 369,218.32

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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.