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Finding the Fourth Proportional to 302,454.20, 453,551.70 and 124,902.20

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Solution

The fourth proportional to 302,454.20, 453,551.70 and 124,902.20 is: 187,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,454.20 : 453,551.70 = 124,902.20 : x
  2. Step 2: Convert to fraction form
    302,454.20/453,551.70 = 124,902.20/x
  3. Step 3: Cross multiply
    302,454.20x = 453,551.70 × 124,902.20
  4. Step 4: Simplify right side
    302,454.20x = 56,649,605,143.74
  5. Step 5: Solve for x
    x = 56,649,605,143.74/302,454.20
  6. Step 6: Final answer
    x = 187,299.78

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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.