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Finding the Fourth Proportional to 302,023.20, 453,380.40 and 177,434.40

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Solution

The fourth proportional to 302,023.20, 453,380.40 and 177,434.40 is: 266,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,023.20 : 453,380.40 = 177,434.40 : x
  2. Step 2: Convert to fraction form
    302,023.20/453,380.40 = 177,434.40/x
  3. Step 3: Cross multiply
    302,023.20x = 453,380.40 × 177,434.40
  4. Step 4: Simplify right side
    302,023.20x = 80,445,279,245.76
  5. Step 5: Solve for x
    x = 80,445,279,245.76/302,023.20
  6. Step 6: Final answer
    x = 266,354.64

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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.