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Finding the Fourth Proportional to 375,759.72, 518,603.81 and 237,951.22

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Solution

The fourth proportional to 375,759.72, 518,603.81 and 237,951.22 is: 328,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,759.72 : 518,603.81 = 237,951.22 : x
  2. Step 2: Convert to fraction form
    375,759.72/518,603.81 = 237,951.22/x
  3. Step 3: Cross multiply
    375,759.72x = 518,603.81 × 237,951.22
  4. Step 4: Simplify right side
    375,759.72x = 123,402,409,286.15
  5. Step 5: Solve for x
    x = 123,402,409,286.15/375,759.72
  6. Step 6: Final answer
    x = 328,407.76

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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.