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Finding the Fourth Proportional to 347,471.70, 521,207.55 and 341,566.80

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Solution

The fourth proportional to 347,471.70, 521,207.55 and 341,566.80 is: 512,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,471.70 : 521,207.55 = 341,566.80 : x
  2. Step 2: Convert to fraction form
    347,471.70/521,207.55 = 341,566.80/x
  3. Step 3: Cross multiply
    347,471.70x = 521,207.55 × 341,566.80
  4. Step 4: Simplify right side
    347,471.70x = 178,027,194,989.34
  5. Step 5: Solve for x
    x = 178,027,194,989.34/347,471.70
  6. Step 6: Final answer
    x = 512,350.20

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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.