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Finding the Fourth Proportional to 424,708.96, 636,363.24 and 246,716.32

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Solution

The fourth proportional to 424,708.96, 636,363.24 and 246,716.32 is: 369,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,708.96 : 636,363.24 = 246,716.32 : x
  2. Step 2: Convert to fraction form
    424,708.96/636,363.24 = 246,716.32/x
  3. Step 3: Cross multiply
    424,708.96x = 636,363.24 × 246,716.32
  4. Step 4: Simplify right side
    424,708.96x = 157,001,196,756.08
  5. Step 5: Solve for x
    x = 157,001,196,756.08/424,708.96
  6. Step 6: Final answer
    x = 369,667.73

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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.