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Finding the Fourth Proportional to 302,901.62, 454,119.15 and 145,048.82

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Solution

The fourth proportional to 302,901.62, 454,119.15 and 145,048.82 is: 217,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,901.62 : 454,119.15 = 145,048.82 : x
  2. Step 2: Convert to fraction form
    302,901.62/454,119.15 = 145,048.82/x
  3. Step 3: Cross multiply
    302,901.62x = 454,119.15 × 145,048.82
  4. Step 4: Simplify right side
    302,901.62x = 65,869,446,846.90
  5. Step 5: Solve for x
    x = 65,869,446,846.90/302,901.62
  6. Step 6: Final answer
    x = 217,461.52

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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.