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Finding the Fourth Proportional to 395,996.73, 546,472.17 and 223,948.49

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Solution

The fourth proportional to 395,996.73, 546,472.17 and 223,948.49 is: 309,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,996.73 : 546,472.17 = 223,948.49 : x
  2. Step 2: Convert to fraction form
    395,996.73/546,472.17 = 223,948.49/x
  3. Step 3: Cross multiply
    395,996.73x = 546,472.17 × 223,948.49
  4. Step 4: Simplify right side
    395,996.73x = 122,381,614,566.16
  5. Step 5: Solve for x
    x = 122,381,614,566.16/395,996.73
  6. Step 6: Final answer
    x = 309,047.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.