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Finding the Fourth Proportional to 541,798.80, 812,406.60 and 225,898.80

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Solution

The fourth proportional to 541,798.80, 812,406.60 and 225,898.80 is: 338,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,798.80 : 812,406.60 = 225,898.80 : x
  2. Step 2: Convert to fraction form
    541,798.80/812,406.60 = 225,898.80/x
  3. Step 3: Cross multiply
    541,798.80x = 812,406.60 × 225,898.80
  4. Step 4: Simplify right side
    541,798.80x = 183,521,676,052.08
  5. Step 5: Solve for x
    x = 183,521,676,052.08/541,798.80
  6. Step 6: Final answer
    x = 338,726.62

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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.