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Finding the Fourth Proportional to 375,025.21, 517,536.15 and 202,943.15

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Solution

The fourth proportional to 375,025.21, 517,536.15 and 202,943.15 is: 280,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,025.21 : 517,536.15 = 202,943.15 : x
  2. Step 2: Convert to fraction form
    375,025.21/517,536.15 = 202,943.15/x
  3. Step 3: Cross multiply
    375,025.21x = 517,536.15 × 202,943.15
  4. Step 4: Simplify right side
    375,025.21x = 105,030,416,519.87
  5. Step 5: Solve for x
    x = 105,030,416,519.87/375,025.21
  6. Step 6: Final answer
    x = 280,062.28

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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.