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Finding the Fourth Proportional to 375,369.44, 517,962.49 and 299,081.84

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Solution

The fourth proportional to 375,369.44, 517,962.49 and 299,081.84 is: 412,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,369.44 : 517,962.49 = 299,081.84 : x
  2. Step 2: Convert to fraction form
    375,369.44/517,962.49 = 299,081.84/x
  3. Step 3: Cross multiply
    375,369.44x = 517,962.49 × 299,081.84
  4. Step 4: Simplify right side
    375,369.44x = 154,913,171,222.67
  5. Step 5: Solve for x
    x = 154,913,171,222.67/375,369.44
  6. Step 6: Final answer
    x = 412,695.22

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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.