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Finding the Fourth Proportional to 375,052.55, 517,571.60 and 202,969.88

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Solution

The fourth proportional to 375,052.55, 517,571.60 and 202,969.88 is: 280,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,052.55 : 517,571.60 = 202,969.88 : x
  2. Step 2: Convert to fraction form
    375,052.55/517,571.60 = 202,969.88/x
  3. Step 3: Cross multiply
    375,052.55x = 517,571.60 × 202,969.88
  4. Step 4: Simplify right side
    375,052.55x = 105,051,441,940.70
  5. Step 5: Solve for x
    x = 105,051,441,940.70/375,052.55
  6. Step 6: Final answer
    x = 280,097.93

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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.