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Finding the Fourth Proportional to 353,315.92, 487,582.24 and 192,174.48

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Solution

The fourth proportional to 353,315.92, 487,582.24 and 192,174.48 is: 265,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,315.92 : 487,582.24 = 192,174.48 : x
  2. Step 2: Convert to fraction form
    353,315.92/487,582.24 = 192,174.48/x
  3. Step 3: Cross multiply
    353,315.92x = 487,582.24 × 192,174.48
  4. Step 4: Simplify right side
    353,315.92x = 93,700,863,429.24
  5. Step 5: Solve for x
    x = 93,700,863,429.24/353,315.92
  6. Step 6: Final answer
    x = 265,204.19

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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.