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Finding the Fourth Proportional to 374,525.76, 516,845.54 and 204,759.88

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Solution

The fourth proportional to 374,525.76, 516,845.54 and 204,759.88 is: 282,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,525.76 : 516,845.54 = 204,759.88 : x
  2. Step 2: Convert to fraction form
    374,525.76/516,845.54 = 204,759.88/x
  3. Step 3: Cross multiply
    374,525.76x = 516,845.54 × 204,759.88
  4. Step 4: Simplify right side
    374,525.76x = 105,829,230,748.94
  5. Step 5: Solve for x
    x = 105,829,230,748.94/374,525.76
  6. Step 6: Final answer
    x = 282,568.63

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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.