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Finding the Fourth Proportional to 301,190.40, 451,267.20 and 195,955.20

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Solution

The fourth proportional to 301,190.40, 451,267.20 and 195,955.20 is: 293,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,190.40 : 451,267.20 = 195,955.20 : x
  2. Step 2: Convert to fraction form
    301,190.40/451,267.20 = 195,955.20/x
  3. Step 3: Cross multiply
    301,190.40x = 451,267.20 × 195,955.20
  4. Step 4: Simplify right side
    301,190.40x = 88,428,154,429.44
  5. Step 5: Solve for x
    x = 88,428,154,429.44/301,190.40
  6. Step 6: Final answer
    x = 293,595.53

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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.