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Finding the Fourth Proportional to 519,722.12, 717,245.34 and 366,809.24

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Solution

The fourth proportional to 519,722.12, 717,245.34 and 366,809.24 is: 506,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,722.12 : 717,245.34 = 366,809.24 : x
  2. Step 2: Convert to fraction form
    519,722.12/717,245.34 = 366,809.24/x
  3. Step 3: Cross multiply
    519,722.12x = 717,245.34 × 366,809.24
  4. Step 4: Simplify right side
    519,722.12x = 263,092,218,058.94
  5. Step 5: Solve for x
    x = 263,092,218,058.94/519,722.12
  6. Step 6: Final answer
    x = 506,217.09

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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.