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Finding the Fourth Proportional to 632,853.61, 873,760.87 and 374,813.58

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Solution

The fourth proportional to 632,853.61, 873,760.87 and 374,813.58 is: 517,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,853.61 : 873,760.87 = 374,813.58 : x
  2. Step 2: Convert to fraction form
    632,853.61/873,760.87 = 374,813.58/x
  3. Step 3: Cross multiply
    632,853.61x = 873,760.87 × 374,813.58
  4. Step 4: Simplify right side
    632,853.61x = 327,497,438,578.83
  5. Step 5: Solve for x
    x = 327,497,438,578.83/632,853.61
  6. Step 6: Final answer
    x = 517,493.20

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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.