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Finding the Fourth Proportional to 617,354.60, 926,067.74 and 238,277.43

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Solution

The fourth proportional to 617,354.60, 926,067.74 and 238,277.43 is: 357,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,354.60 : 926,067.74 = 238,277.43 : x
  2. Step 2: Convert to fraction form
    617,354.60/926,067.74 = 238,277.43/x
  3. Step 3: Cross multiply
    617,354.60x = 926,067.74 × 238,277.43
  4. Step 4: Simplify right side
    617,354.60x = 220,661,039,901.72
  5. Step 5: Solve for x
    x = 220,661,039,901.72/617,354.60
  6. Step 6: Final answer
    x = 357,429.98

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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.