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Finding the Fourth Proportional to 302,500.20, 453,750.30 and 202,708.20

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Solution

The fourth proportional to 302,500.20, 453,750.30 and 202,708.20 is: 304,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,500.20 : 453,750.30 = 202,708.20 : x
  2. Step 2: Convert to fraction form
    302,500.20/453,750.30 = 202,708.20/x
  3. Step 3: Cross multiply
    302,500.20x = 453,750.30 × 202,708.20
  4. Step 4: Simplify right side
    302,500.20x = 91,978,906,562.46
  5. Step 5: Solve for x
    x = 91,978,906,562.46/302,500.20
  6. Step 6: Final answer
    x = 304,062.30

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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.