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Finding the Fourth Proportional to 363,239.62, 544,743.65 and 120,035.39

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Solution

The fourth proportional to 363,239.62, 544,743.65 and 120,035.39 is: 180,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,239.62 : 544,743.65 = 120,035.39 : x
  2. Step 2: Convert to fraction form
    363,239.62/544,743.65 = 120,035.39/x
  3. Step 3: Cross multiply
    363,239.62x = 544,743.65 × 120,035.39
  4. Step 4: Simplify right side
    363,239.62x = 65,388,516,477.77
  5. Step 5: Solve for x
    x = 65,388,516,477.77/363,239.62
  6. Step 6: Final answer
    x = 180,014.82

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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.