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Finding the Fourth Proportional to 404,900.56, 558,768.14 and 223,611.90

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Solution

The fourth proportional to 404,900.56, 558,768.14 and 223,611.90 is: 308,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,900.56 : 558,768.14 = 223,611.90 : x
  2. Step 2: Convert to fraction form
    404,900.56/558,768.14 = 223,611.90/x
  3. Step 3: Cross multiply
    404,900.56x = 558,768.14 × 223,611.90
  4. Step 4: Simplify right side
    404,900.56x = 124,947,205,444.87
  5. Step 5: Solve for x
    x = 124,947,205,444.87/404,900.56
  6. Step 6: Final answer
    x = 308,587.39

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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.