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Finding the Fourth Proportional to 302,754.40, 453,912.90 and 169,675.45

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Solution

The fourth proportional to 302,754.40, 453,912.90 and 169,675.45 is: 254,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,754.40 : 453,912.90 = 169,675.45 : x
  2. Step 2: Convert to fraction form
    302,754.40/453,912.90 = 169,675.45/x
  3. Step 3: Cross multiply
    302,754.40x = 453,912.90 × 169,675.45
  4. Step 4: Simplify right side
    302,754.40x = 77,017,875,568.31
  5. Step 5: Solve for x
    x = 77,017,875,568.31/302,754.40
  6. Step 6: Final answer
    x = 254,390.61

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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.