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Finding the Fourth Proportional to 576,255.35, 795,175.54 and 318,115.53

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Solution

The fourth proportional to 576,255.35, 795,175.54 and 318,115.53 is: 438,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,255.35 : 795,175.54 = 318,115.53 : x
  2. Step 2: Convert to fraction form
    576,255.35/795,175.54 = 318,115.53/x
  3. Step 3: Cross multiply
    576,255.35x = 795,175.54 × 318,115.53
  4. Step 4: Simplify right side
    576,255.35x = 252,957,689,542.79
  5. Step 5: Solve for x
    x = 252,957,689,542.79/576,255.35
  6. Step 6: Final answer
    x = 438,968.06

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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.