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Finding the Fourth Proportional to 617,909.96, 926,881.14 and 197,185.44

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Solution

The fourth proportional to 617,909.96, 926,881.14 and 197,185.44 is: 295,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,909.96 : 926,881.14 = 197,185.44 : x
  2. Step 2: Convert to fraction form
    617,909.96/926,881.14 = 197,185.44/x
  3. Step 3: Cross multiply
    617,909.96x = 926,881.14 × 197,185.44
  4. Step 4: Simplify right side
    617,909.96x = 182,767,465,418.60
  5. Step 5: Solve for x
    x = 182,767,465,418.60/617,909.96
  6. Step 6: Final answer
    x = 295,783.33

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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.