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Finding the Fourth Proportional to 468,328.68, 702,493.08 and 113,342.76

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Solution

The fourth proportional to 468,328.68, 702,493.08 and 113,342.76 is: 170,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,328.68 : 702,493.08 = 113,342.76 : x
  2. Step 2: Convert to fraction form
    468,328.68/702,493.08 = 113,342.76/x
  3. Step 3: Cross multiply
    468,328.68x = 702,493.08 × 113,342.76
  4. Step 4: Simplify right side
    468,328.68x = 79,622,504,568.10
  5. Step 5: Solve for x
    x = 79,622,504,568.10/468,328.68
  6. Step 6: Final answer
    x = 170,014.15

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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.