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Finding the Fourth Proportional to 404,706.20, 558,479.88 and 223,414.22

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Solution

The fourth proportional to 404,706.20, 558,479.88 and 223,414.22 is: 308,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,706.20 : 558,479.88 = 223,414.22 : x
  2. Step 2: Convert to fraction form
    404,706.20/558,479.88 = 223,414.22/x
  3. Step 3: Cross multiply
    404,706.20x = 558,479.88 × 223,414.22
  4. Step 4: Simplify right side
    404,706.20x = 124,772,348,172.09
  5. Step 5: Solve for x
    x = 124,772,348,172.09/404,706.20
  6. Step 6: Final answer
    x = 308,303.53

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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.