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Finding the Fourth Proportional to 252,353.72, 348,272.52 and 188,580.80

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Solution

The fourth proportional to 252,353.72, 348,272.52 and 188,580.80 is: 260,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,353.72 : 348,272.52 = 188,580.80 : x
  2. Step 2: Convert to fraction form
    252,353.72/348,272.52 = 188,580.80/x
  3. Step 3: Cross multiply
    252,353.72x = 348,272.52 × 188,580.80
  4. Step 4: Simplify right side
    252,353.72x = 65,677,510,439.62
  5. Step 5: Solve for x
    x = 65,677,510,439.62/252,353.72
  6. Step 6: Final answer
    x = 260,259.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.