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Finding the Fourth Proportional to 404,626.68, 558,384.87 and 223,338.66

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Solution

The fourth proportional to 404,626.68, 558,384.87 and 223,338.66 is: 308,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,626.68 : 558,384.87 = 223,338.66 : x
  2. Step 2: Convert to fraction form
    404,626.68/558,384.87 = 223,338.66/x
  3. Step 3: Cross multiply
    404,626.68x = 558,384.87 × 223,338.66
  4. Step 4: Simplify right side
    404,626.68x = 124,708,929,467.59
  5. Step 5: Solve for x
    x = 124,708,929,467.59/404,626.68
  6. Step 6: Final answer
    x = 308,207.38

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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.