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Finding the Fourth Proportional to 530,359.18, 794,610.52 and 361,330.82

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Solution

The fourth proportional to 530,359.18, 794,610.52 and 361,330.82 is: 541,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,359.18 : 794,610.52 = 361,330.82 : x
  2. Step 2: Convert to fraction form
    530,359.18/794,610.52 = 361,330.82/x
  3. Step 3: Cross multiply
    530,359.18x = 794,610.52 × 361,330.82
  4. Step 4: Simplify right side
    530,359.18x = 287,117,270,772.23
  5. Step 5: Solve for x
    x = 287,117,270,772.23/530,359.18
  6. Step 6: Final answer
    x = 541,363.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.