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Finding the Fourth Proportional to 468,608.65, 702,915.23 and 113,622.64

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Solution

The fourth proportional to 468,608.65, 702,915.23 and 113,622.64 is: 170,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,608.65 : 702,915.23 = 113,622.64 : x
  2. Step 2: Convert to fraction form
    468,608.65/702,915.23 = 113,622.64/x
  3. Step 3: Cross multiply
    468,608.65x = 702,915.23 × 113,622.64
  4. Step 4: Simplify right side
    468,608.65x = 79,867,082,655.58
  5. Step 5: Solve for x
    x = 79,867,082,655.58/468,608.65
  6. Step 6: Final answer
    x = 170,434.50

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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.