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Finding the Fourth Proportional to 663,194.10, 994,864.05 and 242,561.10

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Solution

The fourth proportional to 663,194.10, 994,864.05 and 242,561.10 is: 363,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,194.10 : 994,864.05 = 242,561.10 : x
  2. Step 2: Convert to fraction form
    663,194.10/994,864.05 = 242,561.10/x
  3. Step 3: Cross multiply
    663,194.10x = 994,864.05 × 242,561.10
  4. Step 4: Simplify right side
    663,194.10x = 241,315,318,318.46
  5. Step 5: Solve for x
    x = 241,315,318,318.46/663,194.10
  6. Step 6: Final answer
    x = 363,868.31

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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.