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Finding the Fourth Proportional to 591,614.40, 886,903.20 and 354,705.60

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Solution

The fourth proportional to 591,614.40, 886,903.20 and 354,705.60 is: 531,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,614.40 : 886,903.20 = 354,705.60 : x
  2. Step 2: Convert to fraction form
    591,614.40/886,903.20 = 354,705.60/x
  3. Step 3: Cross multiply
    591,614.40x = 886,903.20 × 354,705.60
  4. Step 4: Simplify right side
    591,614.40x = 314,589,531,697.92
  5. Step 5: Solve for x
    x = 314,589,531,697.92/591,614.40
  6. Step 6: Final answer
    x = 531,747.59

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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.