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Finding the Fourth Proportional to 535,760.40, 803,348.60 and 161,734.80

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Solution

The fourth proportional to 535,760.40, 803,348.60 and 161,734.80 is: 242,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,760.40 : 803,348.60 = 161,734.80 : x
  2. Step 2: Convert to fraction form
    535,760.40/803,348.60 = 161,734.80/x
  3. Step 3: Cross multiply
    535,760.40x = 803,348.60 × 161,734.80
  4. Step 4: Simplify right side
    535,760.40x = 129,929,425,151.28
  5. Step 5: Solve for x
    x = 129,929,425,151.28/535,760.40
  6. Step 6: Final answer
    x = 242,514.05

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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.