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Finding the Fourth Proportional to 318,825.89, 439,974.41 and 175,599.26

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Solution

The fourth proportional to 318,825.89, 439,974.41 and 175,599.26 is: 242,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,825.89 : 439,974.41 = 175,599.26 : x
  2. Step 2: Convert to fraction form
    318,825.89/439,974.41 = 175,599.26/x
  3. Step 3: Cross multiply
    318,825.89x = 439,974.41 × 175,599.26
  4. Step 4: Simplify right side
    318,825.89x = 77,259,177,737.07
  5. Step 5: Solve for x
    x = 77,259,177,737.07/318,825.89
  6. Step 6: Final answer
    x = 242,324.04

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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.