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Finding the Fourth Proportional to 304,237.20, 456,355.80 and 192,044.10

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Solution

The fourth proportional to 304,237.20, 456,355.80 and 192,044.10 is: 288,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,237.20 : 456,355.80 = 192,044.10 : x
  2. Step 2: Convert to fraction form
    304,237.20/456,355.80 = 192,044.10/x
  3. Step 3: Cross multiply
    304,237.20x = 456,355.80 × 192,044.10
  4. Step 4: Simplify right side
    304,237.20x = 87,640,438,890.78
  5. Step 5: Solve for x
    x = 87,640,438,890.78/304,237.20
  6. Step 6: Final answer
    x = 288,066.15

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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.