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Finding the Fourth Proportional to 375,953.32, 518,823.66 and 206,187.04

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Solution

The fourth proportional to 375,953.32, 518,823.66 and 206,187.04 is: 284,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,953.32 : 518,823.66 = 206,187.04 : x
  2. Step 2: Convert to fraction form
    375,953.32/518,823.66 = 206,187.04/x
  3. Step 3: Cross multiply
    375,953.32x = 518,823.66 × 206,187.04
  4. Step 4: Simplify right side
    375,953.32x = 106,974,714,737.37
  5. Step 5: Solve for x
    x = 106,974,714,737.37/375,953.32
  6. Step 6: Final answer
    x = 284,542.55

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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.