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Finding the Fourth Proportional to 605,552.20, 908,198.70 and 268,592.20

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Solution

The fourth proportional to 605,552.20, 908,198.70 and 268,592.20 is: 402,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,552.20 : 908,198.70 = 268,592.20 : x
  2. Step 2: Convert to fraction form
    605,552.20/908,198.70 = 268,592.20/x
  3. Step 3: Cross multiply
    605,552.20x = 908,198.70 × 268,592.20
  4. Step 4: Simplify right side
    605,552.20x = 243,935,086,870.14
  5. Step 5: Solve for x
    x = 243,935,086,870.14/605,552.20
  6. Step 6: Final answer
    x = 402,830.82

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1.5x scale

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.