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Finding the Fourth Proportional to 530,019.72, 795,034.30 and 150,940.16

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Solution

The fourth proportional to 530,019.72, 795,034.30 and 150,940.16 is: 226,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,019.72 : 795,034.30 = 150,940.16 : x
  2. Step 2: Convert to fraction form
    530,019.72/795,034.30 = 150,940.16/x
  3. Step 3: Cross multiply
    530,019.72x = 795,034.30 × 150,940.16
  4. Step 4: Simplify right side
    530,019.72x = 120,002,604,447.49
  5. Step 5: Solve for x
    x = 120,002,604,447.49/530,019.72
  6. Step 6: Final answer
    x = 226,411.58

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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.