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Finding the Fourth Proportional to 319,708.82, 441,198.22 and 176,468.90

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Solution

The fourth proportional to 319,708.82, 441,198.22 and 176,468.90 is: 243,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,708.82 : 441,198.22 = 176,468.90 : x
  2. Step 2: Convert to fraction form
    319,708.82/441,198.22 = 176,468.90/x
  3. Step 3: Cross multiply
    319,708.82x = 441,198.22 × 176,468.90
  4. Step 4: Simplify right side
    319,708.82x = 77,857,764,565.36
  5. Step 5: Solve for x
    x = 77,857,764,565.36/319,708.82
  6. Step 6: Final answer
    x = 243,527.11

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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.