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Finding the Fourth Proportional to 515,587, 773,380.50 and 183,176.12

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Solution

The fourth proportional to 515,587, 773,380.50 and 183,176.12 is: 274,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,587 : 773,380.50 = 183,176.12 : x
  2. Step 2: Convert to fraction form
    515,587/773,380.50 = 183,176.12/x
  3. Step 3: Cross multiply
    515,587x = 773,380.50 × 183,176.12
  4. Step 4: Simplify right side
    515,587x = 141,664,839,273.66
  5. Step 5: Solve for x
    x = 141,664,839,273.66/515,587
  6. Step 6: Final answer
    x = 274,764.18

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Similar ratio
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1.5x scale

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.