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Finding the Fourth Proportional to 404,663.42, 558,466.44 and 223,410.26

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Solution

The fourth proportional to 404,663.42, 558,466.44 and 223,410.26 is: 308,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,663.42 : 558,466.44 = 223,410.26 : x
  2. Step 2: Convert to fraction form
    404,663.42/558,466.44 = 223,410.26/x
  3. Step 3: Cross multiply
    404,663.42x = 558,466.44 × 223,410.26
  4. Step 4: Simplify right side
    404,663.42x = 124,767,132,561.67
  5. Step 5: Solve for x
    x = 124,767,132,561.67/404,663.42
  6. Step 6: Final answer
    x = 308,323.23

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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.