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Finding the Fourth Proportional to 375,239.58, 517,908.84 and 344,976.98

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Solution

The fourth proportional to 375,239.58, 517,908.84 and 344,976.98 is: 476,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,239.58 : 517,908.84 = 344,976.98 : x
  2. Step 2: Convert to fraction form
    375,239.58/517,908.84 = 344,976.98/x
  3. Step 3: Cross multiply
    375,239.58x = 517,908.84 × 344,976.98
  4. Step 4: Simplify right side
    375,239.58x = 178,666,627,538.50
  5. Step 5: Solve for x
    x = 178,666,627,538.50/375,239.58
  6. Step 6: Final answer
    x = 476,140.14

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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.