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Finding the Fourth Proportional to 436,843.34, 655,374.19 and 347,224.19

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Solution

The fourth proportional to 436,843.34, 655,374.19 and 347,224.19 is: 520,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,843.34 : 655,374.19 = 347,224.19 : x
  2. Step 2: Convert to fraction form
    436,843.34/655,374.19 = 347,224.19/x
  3. Step 3: Cross multiply
    436,843.34x = 655,374.19 × 347,224.19
  4. Step 4: Simplify right side
    436,843.34x = 227,561,768,775.77
  5. Step 5: Solve for x
    x = 227,561,768,775.77/436,843.34
  6. Step 6: Final answer
    x = 520,923.05

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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.