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Finding the Fourth Proportional to 318,273.85, 439,209.14 and 175,033.88

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Solution

The fourth proportional to 318,273.85, 439,209.14 and 175,033.88 is: 241,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,273.85 : 439,209.14 = 175,033.88 : x
  2. Step 2: Convert to fraction form
    318,273.85/439,209.14 = 175,033.88/x
  3. Step 3: Cross multiply
    318,273.85x = 439,209.14 × 175,033.88
  4. Step 4: Simplify right side
    318,273.85x = 76,876,478,147.20
  5. Step 5: Solve for x
    x = 76,876,478,147.20/318,273.85
  6. Step 6: Final answer
    x = 241,541.93

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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.