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Finding the Fourth Proportional to 404,683.99, 558,435.27 and 223,366.84

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Solution

The fourth proportional to 404,683.99, 558,435.27 and 223,366.84 is: 308,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,683.99 : 558,435.27 = 223,366.84 : x
  2. Step 2: Convert to fraction form
    404,683.99/558,435.27 = 223,366.84/x
  3. Step 3: Cross multiply
    404,683.99x = 558,435.27 × 223,366.84
  4. Step 4: Simplify right side
    404,683.99x = 124,735,921,604.45
  5. Step 5: Solve for x
    x = 124,735,921,604.45/404,683.99
  6. Step 6: Final answer
    x = 308,230.43

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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.