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Finding the Fourth Proportional to 404,711.26, 558,498.40 and 223,423.44

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Solution

The fourth proportional to 404,711.26, 558,498.40 and 223,423.44 is: 308,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,711.26 : 558,498.40 = 223,423.44 : x
  2. Step 2: Convert to fraction form
    404,711.26/558,498.40 = 223,423.44/x
  3. Step 3: Cross multiply
    404,711.26x = 558,498.40 × 223,423.44
  4. Step 4: Simplify right side
    404,711.26x = 124,781,633,762.50
  5. Step 5: Solve for x
    x = 124,781,633,762.50/404,711.26
  6. Step 6: Final answer
    x = 308,322.61

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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.