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Finding the Fourth Proportional to 559,996.20, 839,775.90 and 244,237.80

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Solution

The fourth proportional to 559,996.20, 839,775.90 and 244,237.80 is: 366,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,996.20 : 839,775.90 = 244,237.80 : x
  2. Step 2: Convert to fraction form
    559,996.20/839,775.90 = 244,237.80/x
  3. Step 3: Cross multiply
    559,996.20x = 839,775.90 × 244,237.80
  4. Step 4: Simplify right side
    559,996.20x = 205,105,018,309.02
  5. Step 5: Solve for x
    x = 205,105,018,309.02/559,996.20
  6. Step 6: Final answer
    x = 366,261.45

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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.