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Finding the Fourth Proportional to 302,783.91, 454,264.68 and 89,557.44

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Solution

The fourth proportional to 302,783.91, 454,264.68 and 89,557.44 is: 134,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,783.91 : 454,264.68 = 89,557.44 : x
  2. Step 2: Convert to fraction form
    302,783.91/454,264.68 = 89,557.44/x
  3. Step 3: Cross multiply
    302,783.91x = 454,264.68 × 89,557.44
  4. Step 4: Simplify right side
    302,783.91x = 40,682,780,239.77
  5. Step 5: Solve for x
    x = 40,682,780,239.77/302,783.91
  6. Step 6: Final answer
    x = 134,362.43

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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.