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Finding the Fourth Proportional to 389,737.44, 584,502.89 and 153,082.17

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Solution

The fourth proportional to 389,737.44, 584,502.89 and 153,082.17 is: 229,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,737.44 : 584,502.89 = 153,082.17 : x
  2. Step 2: Convert to fraction form
    389,737.44/584,502.89 = 153,082.17/x
  3. Step 3: Cross multiply
    389,737.44x = 584,502.89 × 153,082.17
  4. Step 4: Simplify right side
    389,737.44x = 89,476,970,007.06
  5. Step 5: Solve for x
    x = 89,476,970,007.06/389,737.44
  6. Step 6: Final answer
    x = 229,582.69

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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.