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Finding the Fourth Proportional to 530,685.59, 796,055.72 and 151,576.43

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Solution

The fourth proportional to 530,685.59, 796,055.72 and 151,576.43 is: 227,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,685.59 : 796,055.72 = 151,576.43 : x
  2. Step 2: Convert to fraction form
    530,685.59/796,055.72 = 151,576.43/x
  3. Step 3: Cross multiply
    530,685.59x = 796,055.72 × 151,576.43
  4. Step 4: Simplify right side
    530,685.59x = 120,663,279,380.52
  5. Step 5: Solve for x
    x = 120,663,279,380.52/530,685.59
  6. Step 6: Final answer
    x = 227,372.45

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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.