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Finding the Fourth Proportional to 539,092.20, 808,832.70 and 223,645.80

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Solution

The fourth proportional to 539,092.20, 808,832.70 and 223,645.80 is: 335,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,092.20 : 808,832.70 = 223,645.80 : x
  2. Step 2: Convert to fraction form
    539,092.20/808,832.70 = 223,645.80/x
  3. Step 3: Cross multiply
    539,092.20x = 808,832.70 × 223,645.80
  4. Step 4: Simplify right side
    539,092.20x = 180,892,036,257.66
  5. Step 5: Solve for x
    x = 180,892,036,257.66/539,092.20
  6. Step 6: Final answer
    x = 335,549.35

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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.