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Finding the Fourth Proportional to 400,593.25, 600,422.95 and 223,015.33

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Solution

The fourth proportional to 400,593.25, 600,422.95 and 223,015.33 is: 334,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,593.25 : 600,422.95 = 223,015.33 : x
  2. Step 2: Convert to fraction form
    400,593.25/600,422.95 = 223,015.33/x
  3. Step 3: Cross multiply
    400,593.25x = 600,422.95 × 223,015.33
  4. Step 4: Simplify right side
    400,593.25x = 133,903,522,333.82
  5. Step 5: Solve for x
    x = 133,903,522,333.82/400,593.25
  6. Step 6: Final answer
    x = 334,263.05

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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.