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Finding the Fourth Proportional to 375,235.59, 517,903.32 and 344,972.98

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Solution

The fourth proportional to 375,235.59, 517,903.32 and 344,972.98 is: 476,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,235.59 : 517,903.32 = 344,972.98 : x
  2. Step 2: Convert to fraction form
    375,235.59/517,903.32 = 344,972.98/x
  3. Step 3: Cross multiply
    375,235.59x = 517,903.32 × 344,972.98
  4. Step 4: Simplify right side
    375,235.59x = 178,662,648,739.64
  5. Step 5: Solve for x
    x = 178,662,648,739.64/375,235.59
  6. Step 6: Final answer
    x = 476,134.61

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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.