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Finding the Fourth Proportional to 404,006.52, 606,028 and 151,221.20

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Solution

The fourth proportional to 404,006.52, 606,028 and 151,221.20 is: 226,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,006.52 : 606,028 = 151,221.20 : x
  2. Step 2: Convert to fraction form
    404,006.52/606,028 = 151,221.20/x
  3. Step 3: Cross multiply
    404,006.52x = 606,028 × 151,221.20
  4. Step 4: Simplify right side
    404,006.52x = 91,644,281,393.60
  5. Step 5: Solve for x
    x = 91,644,281,393.60/404,006.52
  6. Step 6: Final answer
    x = 226,838.62

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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.