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Finding the Fourth Proportional to 236,859.20, 355,483.20 and 229,083.20

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Solution

The fourth proportional to 236,859.20, 355,483.20 and 229,083.20 is: 343,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,859.20 : 355,483.20 = 229,083.20 : x
  2. Step 2: Convert to fraction form
    236,859.20/355,483.20 = 229,083.20/x
  3. Step 3: Cross multiply
    236,859.20x = 355,483.20 × 229,083.20
  4. Step 4: Simplify right side
    236,859.20x = 81,435,229,002.24
  5. Step 5: Solve for x
    x = 81,435,229,002.24/236,859.20
  6. Step 6: Final answer
    x = 343,812.82

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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.