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Finding the Fourth Proportional to 302,765.60, 454,160.84 and 113,206.76

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Solution

The fourth proportional to 302,765.60, 454,160.84 and 113,206.76 is: 169,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,765.60 : 454,160.84 = 113,206.76 : x
  2. Step 2: Convert to fraction form
    302,765.60/454,160.84 = 113,206.76/x
  3. Step 3: Cross multiply
    302,765.60x = 454,160.84 × 113,206.76
  4. Step 4: Simplify right side
    302,765.60x = 51,414,077,215.28
  5. Step 5: Solve for x
    x = 51,414,077,215.28/302,765.60
  6. Step 6: Final answer
    x = 169,814.79

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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.