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Finding the Fourth Proportional to 530,510.11, 795,791.55 and 151,487.08

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Solution

The fourth proportional to 530,510.11, 795,791.55 and 151,487.08 is: 227,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,510.11 : 795,791.55 = 151,487.08 : x
  2. Step 2: Convert to fraction form
    530,510.11/795,791.55 = 151,487.08/x
  3. Step 3: Cross multiply
    530,510.11x = 795,791.55 × 151,487.08
  4. Step 4: Simplify right side
    530,510.11x = 120,552,138,198.17
  5. Step 5: Solve for x
    x = 120,552,138,198.17/530,510.11
  6. Step 6: Final answer
    x = 227,238.15

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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.