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Finding the Fourth Proportional to 237,457.52, 327,691.92 and 128,563.04

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Solution

The fourth proportional to 237,457.52, 327,691.92 and 128,563.04 is: 177,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,457.52 : 327,691.92 = 128,563.04 : x
  2. Step 2: Convert to fraction form
    237,457.52/327,691.92 = 128,563.04/x
  3. Step 3: Cross multiply
    237,457.52x = 327,691.92 × 128,563.04
  4. Step 4: Simplify right side
    237,457.52x = 42,129,069,418.64
  5. Step 5: Solve for x
    x = 42,129,069,418.64/237,457.52
  6. Step 6: Final answer
    x = 177,417.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.