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Finding the Fourth Proportional to 375,373.62, 517,995.54 and 205,574.94

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Solution

The fourth proportional to 375,373.62, 517,995.54 and 205,574.94 is: 283,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,373.62 : 517,995.54 = 205,574.94 : x
  2. Step 2: Convert to fraction form
    375,373.62/517,995.54 = 205,574.94/x
  3. Step 3: Cross multiply
    375,373.62x = 517,995.54 × 205,574.94
  4. Step 4: Simplify right side
    375,373.62x = 106,486,902,055.77
  5. Step 5: Solve for x
    x = 106,486,902,055.77/375,373.62
  6. Step 6: Final answer
    x = 283,682.43

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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.