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Finding the Fourth Proportional to 404,998.46, 558,895.65 and 223,722.86

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Solution

The fourth proportional to 404,998.46, 558,895.65 and 223,722.86 is: 308,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,998.46 : 558,895.65 = 223,722.86 : x
  2. Step 2: Convert to fraction form
    404,998.46/558,895.65 = 223,722.86/x
  3. Step 3: Cross multiply
    404,998.46x = 558,895.65 × 223,722.86
  4. Step 4: Simplify right side
    404,998.46x = 125,037,733,259.56
  5. Step 5: Solve for x
    x = 125,037,733,259.56/404,998.46
  6. Step 6: Final answer
    x = 308,736.32

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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.