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Finding the Fourth Proportional to 559,627.80, 839,441.70 and 322,848.60

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Solution

The fourth proportional to 559,627.80, 839,441.70 and 322,848.60 is: 484,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,627.80 : 839,441.70 = 322,848.60 : x
  2. Step 2: Convert to fraction form
    559,627.80/839,441.70 = 322,848.60/x
  3. Step 3: Cross multiply
    559,627.80x = 839,441.70 × 322,848.60
  4. Step 4: Simplify right side
    559,627.80x = 271,012,577,626.62
  5. Step 5: Solve for x
    x = 271,012,577,626.62/559,627.80
  6. Step 6: Final answer
    x = 484,272.90

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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.