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Finding the Fourth Proportional to 302,467.28, 453,666.36 and 80,868.56

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Solution

The fourth proportional to 302,467.28, 453,666.36 and 80,868.56 is: 121,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,467.28 : 453,666.36 = 80,868.56 : x
  2. Step 2: Convert to fraction form
    302,467.28/453,666.36 = 80,868.56/x
  3. Step 3: Cross multiply
    302,467.28x = 453,666.36 × 80,868.56
  4. Step 4: Simplify right side
    302,467.28x = 36,687,345,253.64
  5. Step 5: Solve for x
    x = 36,687,345,253.64/302,467.28
  6. Step 6: Final answer
    x = 121,293.60

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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.