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Finding the Fourth Proportional to 311,955.85, 467,058.98 and 303,207.85

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Solution

The fourth proportional to 311,955.85, 467,058.98 and 303,207.85 is: 453,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,955.85 : 467,058.98 = 303,207.85 : x
  2. Step 2: Convert to fraction form
    311,955.85/467,058.98 = 303,207.85/x
  3. Step 3: Cross multiply
    311,955.85x = 467,058.98 × 303,207.85
  4. Step 4: Simplify right side
    311,955.85x = 141,615,947,632.95
  5. Step 5: Solve for x
    x = 141,615,947,632.95/311,955.85
  6. Step 6: Final answer
    x = 453,961.51

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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.