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Finding the Fourth Proportional to 242,615.70, 363,923.55 and 226,869.30

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Solution

The fourth proportional to 242,615.70, 363,923.55 and 226,869.30 is: 340,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,615.70 : 363,923.55 = 226,869.30 : x
  2. Step 2: Convert to fraction form
    242,615.70/363,923.55 = 226,869.30/x
  3. Step 3: Cross multiply
    242,615.70x = 363,923.55 × 226,869.30
  4. Step 4: Simplify right side
    242,615.70x = 82,563,081,042.02
  5. Step 5: Solve for x
    x = 82,563,081,042.02/242,615.70
  6. Step 6: Final answer
    x = 340,303.95

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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.