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Finding the Fourth Proportional to 375,253.65, 517,928.22 and 344,991.04

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Solution

The fourth proportional to 375,253.65, 517,928.22 and 344,991.04 is: 476,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,253.65 : 517,928.22 = 344,991.04 : x
  2. Step 2: Convert to fraction form
    375,253.65/517,928.22 = 344,991.04/x
  3. Step 3: Cross multiply
    375,253.65x = 517,928.22 × 344,991.04
  4. Step 4: Simplify right side
    375,253.65x = 178,680,593,968.33
  5. Step 5: Solve for x
    x = 178,680,593,968.33/375,253.65
  6. Step 6: Final answer
    x = 476,159.51

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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.