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Finding the Fourth Proportional to 375,118.83, 517,664.01 and 205,352.96

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Solution

The fourth proportional to 375,118.83, 517,664.01 and 205,352.96 is: 283,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,118.83 : 517,664.01 = 205,352.96 : x
  2. Step 2: Convert to fraction form
    375,118.83/517,664.01 = 205,352.96/x
  3. Step 3: Cross multiply
    375,118.83x = 517,664.01 × 205,352.96
  4. Step 4: Simplify right side
    375,118.83x = 106,303,834,150.65
  5. Step 5: Solve for x
    x = 106,303,834,150.65/375,118.83
  6. Step 6: Final answer
    x = 283,387.09

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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.