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Finding the Fourth Proportional to 375,117.33, 517,661.94 and 205,351.45

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Solution

The fourth proportional to 375,117.33, 517,661.94 and 205,351.45 is: 283,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,117.33 : 517,661.94 = 205,351.45 : x
  2. Step 2: Convert to fraction form
    375,117.33/517,661.94 = 205,351.45/x
  3. Step 3: Cross multiply
    375,117.33x = 517,661.94 × 205,351.45
  4. Step 4: Simplify right side
    375,117.33x = 106,302,631,221.47
  5. Step 5: Solve for x
    x = 106,302,631,221.47/375,117.33
  6. Step 6: Final answer
    x = 283,385.02

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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.