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Finding the Fourth Proportional to 318,297.17, 439,253.75 and 175,059.60

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Solution

The fourth proportional to 318,297.17, 439,253.75 and 175,059.60 is: 241,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,297.17 : 439,253.75 = 175,059.60 : x
  2. Step 2: Convert to fraction form
    318,297.17/439,253.75 = 175,059.60/x
  3. Step 3: Cross multiply
    318,297.17x = 439,253.75 × 175,059.60
  4. Step 4: Simplify right side
    318,297.17x = 76,895,585,773.50
  5. Step 5: Solve for x
    x = 76,895,585,773.50/318,297.17
  6. Step 6: Final answer
    x = 241,584.26

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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.