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Finding the Fourth Proportional to 348,346.52, 522,699.60 and 148,613.30

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Solution

The fourth proportional to 348,346.52, 522,699.60 and 148,613.30 is: 222,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,346.52 : 522,699.60 = 148,613.30 : x
  2. Step 2: Convert to fraction form
    348,346.52/522,699.60 = 148,613.30/x
  3. Step 3: Cross multiply
    348,346.52x = 522,699.60 × 148,613.30
  4. Step 4: Simplify right side
    348,346.52x = 77,680,112,464.68
  5. Step 5: Solve for x
    x = 77,680,112,464.68/348,346.52
  6. Step 6: Final answer
    x = 222,996.67

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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.