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Finding the Fourth Proportional to 314,967.20, 472,450.80 and 173,249.60

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Solution

The fourth proportional to 314,967.20, 472,450.80 and 173,249.60 is: 259,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,967.20 : 472,450.80 = 173,249.60 : x
  2. Step 2: Convert to fraction form
    314,967.20/472,450.80 = 173,249.60/x
  3. Step 3: Cross multiply
    314,967.20x = 472,450.80 × 173,249.60
  4. Step 4: Simplify right side
    314,967.20x = 81,851,912,119.68
  5. Step 5: Solve for x
    x = 81,851,912,119.68/314,967.20
  6. Step 6: Final answer
    x = 259,874.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.