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Finding the Fourth Proportional to 576,120.53, 795,420.84 and 515,587.11

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Solution

The fourth proportional to 576,120.53, 795,420.84 and 515,587.11 is: 711,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,120.53 : 795,420.84 = 515,587.11 : x
  2. Step 2: Convert to fraction form
    576,120.53/795,420.84 = 515,587.11/x
  3. Step 3: Cross multiply
    576,120.53x = 795,420.84 × 515,587.11
  4. Step 4: Simplify right side
    576,120.53x = 410,108,726,729.73
  5. Step 5: Solve for x
    x = 410,108,726,729.73/576,120.53
  6. Step 6: Final answer
    x = 711,845.36

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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.