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Finding the Fourth Proportional to 358,582.85, 494,862.51 and 203,545.05

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Solution

The fourth proportional to 358,582.85, 494,862.51 and 203,545.05 is: 280,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,582.85 : 494,862.51 = 203,545.05 : x
  2. Step 2: Convert to fraction form
    358,582.85/494,862.51 = 203,545.05/x
  3. Step 3: Cross multiply
    358,582.85x = 494,862.51 × 203,545.05
  4. Step 4: Simplify right side
    358,582.85x = 100,726,816,032.24
  5. Step 5: Solve for x
    x = 100,726,816,032.24/358,582.85
  6. Step 6: Final answer
    x = 280,902.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.