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Finding the Fourth Proportional to 302,507.20, 453,760.80 and 202,974.40

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Solution

The fourth proportional to 302,507.20, 453,760.80 and 202,974.40 is: 304,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,507.20 : 453,760.80 = 202,974.40 : x
  2. Step 2: Convert to fraction form
    302,507.20/453,760.80 = 202,974.40/x
  3. Step 3: Cross multiply
    302,507.20x = 453,760.80 × 202,974.40
  4. Step 4: Simplify right side
    302,507.20x = 92,101,826,123.52
  5. Step 5: Solve for x
    x = 92,101,826,123.52/302,507.20
  6. Step 6: Final answer
    x = 304,461.60

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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.