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Finding the Fourth Proportional to 328,679.97, 453,599.10 and 185,387.73

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Solution

The fourth proportional to 328,679.97, 453,599.10 and 185,387.73 is: 255,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,679.97 : 453,599.10 = 185,387.73 : x
  2. Step 2: Convert to fraction form
    328,679.97/453,599.10 = 185,387.73/x
  3. Step 3: Cross multiply
    328,679.97x = 453,599.10 × 185,387.73
  4. Step 4: Simplify right side
    328,679.97x = 84,091,707,479.04
  5. Step 5: Solve for x
    x = 84,091,707,479.04/328,679.97
  6. Step 6: Final answer
    x = 255,846.77

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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.