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Finding the Fourth Proportional to 404,579.90, 606,712.05 and 151,722.61

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Solution

The fourth proportional to 404,579.90, 606,712.05 and 151,722.61 is: 227,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,579.90 : 606,712.05 = 151,722.61 : x
  2. Step 2: Convert to fraction form
    404,579.90/606,712.05 = 151,722.61/x
  3. Step 3: Cross multiply
    404,579.90x = 606,712.05 × 151,722.61
  4. Step 4: Simplify right side
    404,579.90x = 92,051,935,744.45
  5. Step 5: Solve for x
    x = 92,051,935,744.45/404,579.90
  6. Step 6: Final answer
    x = 227,524.74

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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.