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Finding the Fourth Proportional to 355,983.93, 534,344.94 and 238,476.42

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Solution

The fourth proportional to 355,983.93, 534,344.94 and 238,476.42 is: 357,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,983.93 : 534,344.94 = 238,476.42 : x
  2. Step 2: Convert to fraction form
    355,983.93/534,344.94 = 238,476.42/x
  3. Step 3: Cross multiply
    355,983.93x = 534,344.94 × 238,476.42
  4. Step 4: Simplify right side
    355,983.93x = 127,428,668,336.32
  5. Step 5: Solve for x
    x = 127,428,668,336.32/355,983.93
  6. Step 6: Final answer
    x = 357,961.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.