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Finding the Fourth Proportional to 347,375.52, 520,126.20 and 227,134.08

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Solution

The fourth proportional to 347,375.52, 520,126.20 and 227,134.08 is: 340,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,375.52 : 520,126.20 = 227,134.08 : x
  2. Step 2: Convert to fraction form
    347,375.52/520,126.20 = 227,134.08/x
  3. Step 3: Cross multiply
    347,375.52x = 520,126.20 × 227,134.08
  4. Step 4: Simplify right side
    347,375.52x = 118,138,385,920.90
  5. Step 5: Solve for x
    x = 118,138,385,920.90/347,375.52
  6. Step 6: Final answer
    x = 340,088.40

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1.5x scale

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.