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Finding the Fourth Proportional to 493,970.74, 681,680.76 and 267,616.24

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Solution

The fourth proportional to 493,970.74, 681,680.76 and 267,616.24 is: 369,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,970.74 : 681,680.76 = 267,616.24 : x
  2. Step 2: Convert to fraction form
    493,970.74/681,680.76 = 267,616.24/x
  3. Step 3: Cross multiply
    493,970.74x = 681,680.76 × 267,616.24
  4. Step 4: Simplify right side
    493,970.74x = 182,428,841,871.54
  5. Step 5: Solve for x
    x = 182,428,841,871.54/493,970.74
  6. Step 6: Final answer
    x = 369,311.03

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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.