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Finding the Fourth Proportional to 599,890.36, 900,060.18 and 311,522.26

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Solution

The fourth proportional to 599,890.36, 900,060.18 and 311,522.26 is: 467,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,890.36 : 900,060.18 = 311,522.26 : x
  2. Step 2: Convert to fraction form
    599,890.36/900,060.18 = 311,522.26/x
  3. Step 3: Cross multiply
    599,890.36x = 900,060.18 × 311,522.26
  4. Step 4: Simplify right side
    599,890.36x = 280,388,781,409.61
  5. Step 5: Solve for x
    x = 280,388,781,409.61/599,890.36
  6. Step 6: Final answer
    x = 467,400.05

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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.