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Finding the Fourth Proportional to 541,276.70, 812,109.45 and 225,830.30

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Solution

The fourth proportional to 541,276.70, 812,109.45 and 225,830.30 is: 338,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,276.70 : 812,109.45 = 225,830.30 : x
  2. Step 2: Convert to fraction form
    541,276.70/812,109.45 = 225,830.30/x
  3. Step 3: Cross multiply
    541,276.70x = 812,109.45 × 225,830.30
  4. Step 4: Simplify right side
    541,276.70x = 183,398,920,726.34
  5. Step 5: Solve for x
    x = 183,398,920,726.34/541,276.70
  6. Step 6: Final answer
    x = 338,826.56

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Similar ratio
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1.5x scale

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.