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Finding the Fourth Proportional to 375,434.37, 517,956.47 and 277,552.62

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Solution

The fourth proportional to 375,434.37, 517,956.47 and 277,552.62 is: 382,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,434.37 : 517,956.47 = 277,552.62 : x
  2. Step 2: Convert to fraction form
    375,434.37/517,956.47 = 277,552.62/x
  3. Step 3: Cross multiply
    375,434.37x = 517,956.47 × 277,552.62
  4. Step 4: Simplify right side
    375,434.37x = 143,760,175,294.45
  5. Step 5: Solve for x
    x = 143,760,175,294.45/375,434.37
  6. Step 6: Final answer
    x = 382,916.93

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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.