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Finding the Fourth Proportional to 342,469.32, 472,492.62 and 199,112.28

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Solution

The fourth proportional to 342,469.32, 472,492.62 and 199,112.28 is: 274,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,469.32 : 472,492.62 = 199,112.28 : x
  2. Step 2: Convert to fraction form
    342,469.32/472,492.62 = 199,112.28/x
  3. Step 3: Cross multiply
    342,469.32x = 472,492.62 × 199,112.28
  4. Step 4: Simplify right side
    342,469.32x = 94,079,082,851.37
  5. Step 5: Solve for x
    x = 94,079,082,851.37/342,469.32
  6. Step 6: Final answer
    x = 274,708.06

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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.