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Finding the Fourth Proportional to 311,040.88, 429,250.08 and 175,083.60

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Solution

The fourth proportional to 311,040.88, 429,250.08 and 175,083.60 is: 241,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,040.88 : 429,250.08 = 175,083.60 : x
  2. Step 2: Convert to fraction form
    311,040.88/429,250.08 = 175,083.60/x
  3. Step 3: Cross multiply
    311,040.88x = 429,250.08 × 175,083.60
  4. Step 4: Simplify right side
    311,040.88x = 75,154,649,306.69
  5. Step 5: Solve for x
    x = 75,154,649,306.69/311,040.88
  6. Step 6: Final answer
    x = 241,623.06

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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.