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Finding the Fourth Proportional to 533,879.78, 736,754.10 and 292,162.44

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Solution

The fourth proportional to 533,879.78, 736,754.10 and 292,162.44 is: 403,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,879.78 : 736,754.10 = 292,162.44 : x
  2. Step 2: Convert to fraction form
    533,879.78/736,754.10 = 292,162.44/x
  3. Step 3: Cross multiply
    533,879.78x = 736,754.10 × 292,162.44
  4. Step 4: Simplify right side
    533,879.78x = 215,251,877,203.22
  5. Step 5: Solve for x
    x = 215,251,877,203.22/533,879.78
  6. Step 6: Final answer
    x = 403,184.18

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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.