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Finding the Fourth Proportional to 403,700.75, 605,135.56 and 179,166.93

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Solution

The fourth proportional to 403,700.75, 605,135.56 and 179,166.93 is: 268,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,700.75 : 605,135.56 = 179,166.93 : x
  2. Step 2: Convert to fraction form
    403,700.75/605,135.56 = 179,166.93/x
  3. Step 3: Cross multiply
    403,700.75x = 605,135.56 × 179,166.93
  4. Step 4: Simplify right side
    403,700.75x = 108,420,280,519.03
  5. Step 5: Solve for x
    x = 108,420,280,519.03/403,700.75
  6. Step 6: Final answer
    x = 268,565.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.