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Finding the Fourth Proportional to 493,908.30, 681,595.54 and 267,553.80

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Solution

The fourth proportional to 493,908.30, 681,595.54 and 267,553.80 is: 369,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,908.30 : 681,595.54 = 267,553.80 : x
  2. Step 2: Convert to fraction form
    493,908.30/681,595.54 = 267,553.80/x
  3. Step 3: Cross multiply
    493,908.30x = 681,595.54 × 267,553.80
  4. Step 4: Simplify right side
    493,908.30x = 182,363,476,790.05
  5. Step 5: Solve for x
    x = 182,363,476,790.05/493,908.30
  6. Step 6: Final answer
    x = 369,225.37

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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.