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Finding the Fourth Proportional to 302,445.20, 453,649.44 and 133,916.24

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Solution

The fourth proportional to 302,445.20, 453,649.44 and 133,916.24 is: 200,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,445.20 : 453,649.44 = 133,916.24 : x
  2. Step 2: Convert to fraction form
    302,445.20/453,649.44 = 133,916.24/x
  3. Step 3: Cross multiply
    302,445.20x = 453,649.44 × 133,916.24
  4. Step 4: Simplify right side
    302,445.20x = 60,751,027,282.91
  5. Step 5: Solve for x
    x = 60,751,027,282.91/302,445.20
  6. Step 6: Final answer
    x = 200,866.23

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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.