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Finding the Fourth Proportional to 373,314.20, 559,971.30 and 204,769.40

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Solution

The fourth proportional to 373,314.20, 559,971.30 and 204,769.40 is: 307,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,314.20 : 559,971.30 = 204,769.40 : x
  2. Step 2: Convert to fraction form
    373,314.20/559,971.30 = 204,769.40/x
  3. Step 3: Cross multiply
    373,314.20x = 559,971.30 × 204,769.40
  4. Step 4: Simplify right side
    373,314.20x = 114,664,987,118.22
  5. Step 5: Solve for x
    x = 114,664,987,118.22/373,314.20
  6. Step 6: Final answer
    x = 307,154.10

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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.