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Finding the Fourth Proportional to 302,502.20, 453,753.30 and 202,969.40

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Solution

The fourth proportional to 302,502.20, 453,753.30 and 202,969.40 is: 304,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,502.20 : 453,753.30 = 202,969.40 : x
  2. Step 2: Convert to fraction form
    302,502.20/453,753.30 = 202,969.40/x
  3. Step 3: Cross multiply
    302,502.20x = 453,753.30 × 202,969.40
  4. Step 4: Simplify right side
    302,502.20x = 92,098,035,049.02
  5. Step 5: Solve for x
    x = 92,098,035,049.02/302,502.20
  6. Step 6: Final answer
    x = 304,454.10

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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.