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Finding the Fourth Proportional to 318,297.25, 439,253.86 and 175,059.68

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Solution

The fourth proportional to 318,297.25, 439,253.86 and 175,059.68 is: 241,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,297.25 : 439,253.86 = 175,059.68 : x
  2. Step 2: Convert to fraction form
    318,297.25/439,253.86 = 175,059.68/x
  3. Step 3: Cross multiply
    318,297.25x = 439,253.86 × 175,059.68
  4. Step 4: Simplify right side
    318,297.25x = 76,895,640,827.84
  5. Step 5: Solve for x
    x = 76,895,640,827.84/318,297.25
  6. Step 6: Final answer
    x = 241,584.37

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1.5x scale

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.