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Finding the Fourth Proportional to 617,675.96, 926,673.64 and 361,724.66

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Solution

The fourth proportional to 617,675.96, 926,673.64 and 361,724.66 is: 542,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,675.96 : 926,673.64 = 361,724.66 : x
  2. Step 2: Convert to fraction form
    617,675.96/926,673.64 = 361,724.66/x
  3. Step 3: Cross multiply
    617,675.96x = 926,673.64 × 361,724.66
  4. Step 4: Simplify right side
    617,675.96x = 335,200,707,359.96
  5. Step 5: Solve for x
    x = 335,200,707,359.96/617,675.96
  6. Step 6: Final answer
    x = 542,680.51

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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.