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Finding the Fourth Proportional to 468,419.15, 702,956.78 and 202,370.60

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Solution

The fourth proportional to 468,419.15, 702,956.78 and 202,370.60 is: 303,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,419.15 : 702,956.78 = 202,370.60 : x
  2. Step 2: Convert to fraction form
    468,419.15/702,956.78 = 202,370.60/x
  3. Step 3: Cross multiply
    468,419.15x = 702,956.78 × 202,370.60
  4. Step 4: Simplify right side
    468,419.15x = 142,257,785,342.67
  5. Step 5: Solve for x
    x = 142,257,785,342.67/468,419.15
  6. Step 6: Final answer
    x = 303,697.63

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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.