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Finding the Fourth Proportional to 405,170.88, 558,772.60 and 337,412.24

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Solution

The fourth proportional to 405,170.88, 558,772.60 and 337,412.24 is: 465,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,170.88 : 558,772.60 = 337,412.24 : x
  2. Step 2: Convert to fraction form
    405,170.88/558,772.60 = 337,412.24/x
  3. Step 3: Cross multiply
    405,170.88x = 558,772.60 × 337,412.24
  4. Step 4: Simplify right side
    405,170.88x = 188,536,714,616.62
  5. Step 5: Solve for x
    x = 188,536,714,616.62/405,170.88
  6. Step 6: Final answer
    x = 465,326.42

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1.5x scale

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.