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Finding the Fourth Proportional to 559,793.40, 840,018.15 and 204,843.30

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Solution

The fourth proportional to 559,793.40, 840,018.15 and 204,843.30 is: 307,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,793.40 : 840,018.15 = 204,843.30 : x
  2. Step 2: Convert to fraction form
    559,793.40/840,018.15 = 204,843.30/x
  3. Step 3: Cross multiply
    559,793.40x = 840,018.15 × 204,843.30
  4. Step 4: Simplify right side
    559,793.40x = 172,072,089,905.90
  5. Step 5: Solve for x
    x = 172,072,089,905.90/559,793.40
  6. Step 6: Final answer
    x = 307,384.99

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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.