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Finding the Fourth Proportional to 348,608.80, 522,961.80 and 148,927.60

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Solution

The fourth proportional to 348,608.80, 522,961.80 and 148,927.60 is: 223,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,608.80 : 522,961.80 = 148,927.60 : x
  2. Step 2: Convert to fraction form
    348,608.80/522,961.80 = 148,927.60/x
  3. Step 3: Cross multiply
    348,608.80x = 522,961.80 × 148,927.60
  4. Step 4: Simplify right side
    348,608.80x = 77,883,445,765.68
  5. Step 5: Solve for x
    x = 77,883,445,765.68/348,608.80
  6. Step 6: Final answer
    x = 223,412.16

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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.