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Finding the Fourth Proportional to 262,266.67, 391,906.98 and 196,925.10

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Solution

The fourth proportional to 262,266.67, 391,906.98 and 196,925.10 is: 294,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,266.67 : 391,906.98 = 196,925.10 : x
  2. Step 2: Convert to fraction form
    262,266.67/391,906.98 = 196,925.10/x
  3. Step 3: Cross multiply
    262,266.67x = 391,906.98 × 196,925.10
  4. Step 4: Simplify right side
    262,266.67x = 77,176,321,227.20
  5. Step 5: Solve for x
    x = 77,176,321,227.20/262,266.67
  6. Step 6: Final answer
    x = 294,266.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.