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Finding the Fourth Proportional to 493,520.66, 681,060.72 and 267,166.16

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Solution

The fourth proportional to 493,520.66, 681,060.72 and 267,166.16 is: 368,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,520.66 : 681,060.72 = 267,166.16 : x
  2. Step 2: Convert to fraction form
    493,520.66/681,060.72 = 267,166.16/x
  3. Step 3: Cross multiply
    493,520.66x = 681,060.72 × 267,166.16
  4. Step 4: Simplify right side
    493,520.66x = 181,956,377,289.24
  5. Step 5: Solve for x
    x = 181,956,377,289.24/493,520.66
  6. Step 6: Final answer
    x = 368,690.50

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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.