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Finding the Fourth Proportional to 301,642.03, 416,112.03 and 192,631.78

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Solution

The fourth proportional to 301,642.03, 416,112.03 and 192,631.78 is: 265,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,642.03 : 416,112.03 = 192,631.78 : x
  2. Step 2: Convert to fraction form
    301,642.03/416,112.03 = 192,631.78/x
  3. Step 3: Cross multiply
    301,642.03x = 416,112.03 × 192,631.78
  4. Step 4: Simplify right side
    301,642.03x = 80,156,401,018.31
  5. Step 5: Solve for x
    x = 80,156,401,018.31/301,642.03
  6. Step 6: Final answer
    x = 265,733.53

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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.