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Finding the Fourth Proportional to 484,017.27, 667,167.59 and 328,923.43

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Solution

The fourth proportional to 484,017.27, 667,167.59 and 328,923.43 is: 453,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,017.27 : 667,167.59 = 328,923.43 : x
  2. Step 2: Convert to fraction form
    484,017.27/667,167.59 = 328,923.43/x
  3. Step 3: Cross multiply
    484,017.27x = 667,167.59 × 328,923.43
  4. Step 4: Simplify right side
    484,017.27x = 219,447,053,144.65
  5. Step 5: Solve for x
    x = 219,447,053,144.65/484,017.27
  6. Step 6: Final answer
    x = 453,386.82

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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.