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Finding the Fourth Proportional to 270,276.64, 372,768.72 and 252,168.16

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Solution

The fourth proportional to 270,276.64, 372,768.72 and 252,168.16 is: 347,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,276.64 : 372,768.72 = 252,168.16 : x
  2. Step 2: Convert to fraction form
    270,276.64/372,768.72 = 252,168.16/x
  3. Step 3: Cross multiply
    270,276.64x = 372,768.72 × 252,168.16
  4. Step 4: Simplify right side
    270,276.64x = 94,000,402,227.96
  5. Step 5: Solve for x
    x = 94,000,402,227.96/270,276.64
  6. Step 6: Final answer
    x = 347,793.29

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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.