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Finding the Fourth Proportional to 375,584.68, 518,306.03 and 203,507.33

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Solution

The fourth proportional to 375,584.68, 518,306.03 and 203,507.33 is: 280,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,584.68 : 518,306.03 = 203,507.33 : x
  2. Step 2: Convert to fraction form
    375,584.68/518,306.03 = 203,507.33/x
  3. Step 3: Cross multiply
    375,584.68x = 518,306.03 × 203,507.33
  4. Step 4: Simplify right side
    375,584.68x = 105,479,076,288.20
  5. Step 5: Solve for x
    x = 105,479,076,288.20/375,584.68
  6. Step 6: Final answer
    x = 280,839.67

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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.