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Finding the Fourth Proportional to 299,242.58, 412,581.22 and 191,635.70

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Solution

The fourth proportional to 299,242.58, 412,581.22 and 191,635.70 is: 264,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,242.58 : 412,581.22 = 191,635.70 : x
  2. Step 2: Convert to fraction form
    299,242.58/412,581.22 = 191,635.70/x
  3. Step 3: Cross multiply
    299,242.58x = 412,581.22 × 191,635.70
  4. Step 4: Simplify right side
    299,242.58x = 79,065,290,901.55
  5. Step 5: Solve for x
    x = 79,065,290,901.55/299,242.58
  6. Step 6: Final answer
    x = 264,218.05

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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.