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Finding the Fourth Proportional to 530,009.82, 794,712.59 and 361,733.85

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Solution

The fourth proportional to 530,009.82, 794,712.59 and 361,733.85 is: 542,394.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,009.82 : 794,712.59 = 361,733.85 : x
  2. Step 2: Convert to fraction form
    530,009.82/794,712.59 = 361,733.85/x
  3. Step 3: Cross multiply
    530,009.82x = 794,712.59 × 361,733.85
  4. Step 4: Simplify right side
    530,009.82x = 287,474,444,824.17
  5. Step 5: Solve for x
    x = 287,474,444,824.17/530,009.82
  6. Step 6: Final answer
    x = 542,394.56

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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.