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Finding the Fourth Proportional to 328,800.52, 493,239.66 and 104,171.32

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Solution

The fourth proportional to 328,800.52, 493,239.66 and 104,171.32 is: 156,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,800.52 : 493,239.66 = 104,171.32 : x
  2. Step 2: Convert to fraction form
    328,800.52/493,239.66 = 104,171.32/x
  3. Step 3: Cross multiply
    328,800.52x = 493,239.66 × 104,171.32
  4. Step 4: Simplify right side
    328,800.52x = 51,381,426,458.55
  5. Step 5: Solve for x
    x = 51,381,426,458.55/328,800.52
  6. Step 6: Final answer
    x = 156,269.30

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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.