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Finding the Fourth Proportional to 468,319.20, 702,636.48 and 148,523.52

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Solution

The fourth proportional to 468,319.20, 702,636.48 and 148,523.52 is: 222,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,319.20 : 702,636.48 = 148,523.52 : x
  2. Step 2: Convert to fraction form
    468,319.20/702,636.48 = 148,523.52/x
  3. Step 3: Cross multiply
    468,319.20x = 702,636.48 × 148,523.52
  4. Step 4: Simplify right side
    468,319.20x = 104,358,043,290.01
  5. Step 5: Solve for x
    x = 104,358,043,290.01/468,319.20
  6. Step 6: Final answer
    x = 222,835.29

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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.