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Finding the Fourth Proportional to 590,716.80, 886,731.30 and 366,330.60

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Solution

The fourth proportional to 590,716.80, 886,731.30 and 366,330.60 is: 549,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,716.80 : 886,731.30 = 366,330.60 : x
  2. Step 2: Convert to fraction form
    590,716.80/886,731.30 = 366,330.60/x
  3. Step 3: Cross multiply
    590,716.80x = 886,731.30 × 366,330.60
  4. Step 4: Simplify right side
    590,716.80x = 324,836,809,167.78
  5. Step 5: Solve for x
    x = 324,836,809,167.78/590,716.80
  6. Step 6: Final answer
    x = 549,902.78

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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.