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Finding the Fourth Proportional to 347,594.48, 520,509.36 and 291,286.56

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Solution

The fourth proportional to 347,594.48, 520,509.36 and 291,286.56 is: 436,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,594.48 : 520,509.36 = 291,286.56 : x
  2. Step 2: Convert to fraction form
    347,594.48/520,509.36 = 291,286.56/x
  3. Step 3: Cross multiply
    347,594.48x = 520,509.36 × 291,286.56
  4. Step 4: Simplify right side
    347,594.48x = 151,617,380,922.20
  5. Step 5: Solve for x
    x = 151,617,380,922.20/347,594.48
  6. Step 6: Final answer
    x = 436,190.42

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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.