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Finding the Fourth Proportional to 577,500.40, 865,991.40 and 222,396.40

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Solution

The fourth proportional to 577,500.40, 865,991.40 and 222,396.40 is: 333,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,500.40 : 865,991.40 = 222,396.40 : x
  2. Step 2: Convert to fraction form
    577,500.40/865,991.40 = 222,396.40/x
  3. Step 3: Cross multiply
    577,500.40x = 865,991.40 × 222,396.40
  4. Step 4: Simplify right side
    577,500.40x = 192,593,369,790.96
  5. Step 5: Solve for x
    x = 192,593,369,790.96/577,500.40
  6. Step 6: Final answer
    x = 333,494.78

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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.