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Finding the Fourth Proportional to 302,687.24, 453,873.12 and 112,991.58

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Solution

The fourth proportional to 302,687.24, 453,873.12 and 112,991.58 is: 169,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,687.24 : 453,873.12 = 112,991.58 : x
  2. Step 2: Convert to fraction form
    302,687.24/453,873.12 = 112,991.58/x
  3. Step 3: Cross multiply
    302,687.24x = 453,873.12 × 112,991.58
  4. Step 4: Simplify right side
    302,687.24x = 51,283,840,948.33
  5. Step 5: Solve for x
    x = 51,283,840,948.33/302,687.24
  6. Step 6: Final answer
    x = 169,428.49

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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.