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Finding the Fourth Proportional to 375,242.16, 517,814.88 and 205,443.44

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Solution

The fourth proportional to 375,242.16, 517,814.88 and 205,443.44 is: 283,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,242.16 : 517,814.88 = 205,443.44 : x
  2. Step 2: Convert to fraction form
    375,242.16/517,814.88 = 205,443.44/x
  3. Step 3: Cross multiply
    375,242.16x = 517,814.88 × 205,443.44
  4. Step 4: Simplify right side
    375,242.16x = 106,381,670,230.39
  5. Step 5: Solve for x
    x = 106,381,670,230.39/375,242.16
  6. Step 6: Final answer
    x = 283,501.38

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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.