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Finding the Fourth Proportional to 375,969.75, 518,842.28 and 203,888.04

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Solution

The fourth proportional to 375,969.75, 518,842.28 and 203,888.04 is: 281,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,969.75 : 518,842.28 = 203,888.04 : x
  2. Step 2: Convert to fraction form
    375,969.75/518,842.28 = 203,888.04/x
  3. Step 3: Cross multiply
    375,969.75x = 518,842.28 × 203,888.04
  4. Step 4: Simplify right side
    375,969.75x = 105,785,734,518.89
  5. Step 5: Solve for x
    x = 105,785,734,518.89/375,969.75
  6. Step 6: Final answer
    x = 281,367.68

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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.