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Finding the Fourth Proportional to 361,438.68, 542,488.38 and 184,068.12

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Solution

The fourth proportional to 361,438.68, 542,488.38 and 184,068.12 is: 276,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,438.68 : 542,488.38 = 184,068.12 : x
  2. Step 2: Convert to fraction form
    361,438.68/542,488.38 = 184,068.12/x
  3. Step 3: Cross multiply
    361,438.68x = 542,488.38 × 184,068.12
  4. Step 4: Simplify right side
    361,438.68x = 99,854,816,228.45
  5. Step 5: Solve for x
    x = 99,854,816,228.45/361,438.68
  6. Step 6: Final answer
    x = 276,270.42

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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.