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Finding the Fourth Proportional to 587,155.91, 810,278.25 and 329,033.48

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Solution

The fourth proportional to 587,155.91, 810,278.25 and 329,033.48 is: 454,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,155.91 : 810,278.25 = 329,033.48 : x
  2. Step 2: Convert to fraction form
    587,155.91/810,278.25 = 329,033.48/x
  3. Step 3: Cross multiply
    587,155.91x = 810,278.25 × 329,033.48
  4. Step 4: Simplify right side
    587,155.91x = 266,608,672,365.81
  5. Step 5: Solve for x
    x = 266,608,672,365.81/587,155.91
  6. Step 6: Final answer
    x = 454,067.94

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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.