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Finding the Fourth Proportional to 302,538.15, 453,807.23 and 253,822.73

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Solution

The fourth proportional to 302,538.15, 453,807.23 and 253,822.73 is: 380,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,538.15 : 453,807.23 = 253,822.73 : x
  2. Step 2: Convert to fraction form
    302,538.15/453,807.23 = 253,822.73/x
  3. Step 3: Cross multiply
    302,538.15x = 453,807.23 × 253,822.73
  4. Step 4: Simplify right side
    302,538.15x = 115,186,586,474.19
  5. Step 5: Solve for x
    x = 115,186,586,474.19/302,538.15
  6. Step 6: Final answer
    x = 380,734.09

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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.