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Finding the Fourth Proportional to 242,453.16, 334,494.86 and 242,079.39

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Solution

The fourth proportional to 242,453.16, 334,494.86 and 242,079.39 is: 333,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,453.16 : 334,494.86 = 242,079.39 : x
  2. Step 2: Convert to fraction form
    242,453.16/334,494.86 = 242,079.39/x
  3. Step 3: Cross multiply
    242,453.16x = 334,494.86 × 242,079.39
  4. Step 4: Simplify right side
    242,453.16x = 80,974,310,456.54
  5. Step 5: Solve for x
    x = 80,974,310,456.54/242,453.16
  6. Step 6: Final answer
    x = 333,979.19

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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.