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Finding the Fourth Proportional to 559,927.60, 839,891.40 and 347,351.20

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Solution

The fourth proportional to 559,927.60, 839,891.40 and 347,351.20 is: 521,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,927.60 : 839,891.40 = 347,351.20 : x
  2. Step 2: Convert to fraction form
    559,927.60/839,891.40 = 347,351.20/x
  3. Step 3: Cross multiply
    559,927.60x = 839,891.40 × 347,351.20
  4. Step 4: Simplify right side
    559,927.60x = 291,737,285,659.68
  5. Step 5: Solve for x
    x = 291,737,285,659.68/559,927.60
  6. Step 6: Final answer
    x = 521,026.80

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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.