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Finding the Fourth Proportional to 663,081.59, 994,622.36 and 242,357.46

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Solution

The fourth proportional to 663,081.59, 994,622.36 and 242,357.46 is: 363,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,081.59 : 994,622.36 = 242,357.46 : x
  2. Step 2: Convert to fraction form
    663,081.59/994,622.36 = 242,357.46/x
  3. Step 3: Cross multiply
    663,081.59x = 994,622.36 × 242,357.46
  4. Step 4: Simplify right side
    663,081.59x = 241,054,147,617.02
  5. Step 5: Solve for x
    x = 241,054,147,617.02/663,081.59
  6. Step 6: Final answer
    x = 363,536.18

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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.