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Finding the Fourth Proportional to 404,696.71, 558,466.80 and 223,404.73

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Solution

The fourth proportional to 404,696.71, 558,466.80 and 223,404.73 is: 308,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,696.71 : 558,466.80 = 223,404.73 : x
  2. Step 2: Convert to fraction form
    404,696.71/558,466.80 = 223,404.73/x
  3. Step 3: Cross multiply
    404,696.71x = 558,466.80 × 223,404.73
  4. Step 4: Simplify right side
    404,696.71x = 124,764,125,994.29
  5. Step 5: Solve for x
    x = 124,764,125,994.29/404,696.71
  6. Step 6: Final answer
    x = 308,290.44

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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.