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Finding the Fourth Proportional to 550,669.23, 825,852.78 and 151,215.30

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Solution

The fourth proportional to 550,669.23, 825,852.78 and 151,215.30 is: 226,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,669.23 : 825,852.78 = 151,215.30 : x
  2. Step 2: Convert to fraction form
    550,669.23/825,852.78 = 151,215.30/x
  3. Step 3: Cross multiply
    550,669.23x = 825,852.78 × 151,215.30
  4. Step 4: Simplify right side
    550,669.23x = 124,881,575,883.53
  5. Step 5: Solve for x
    x = 124,881,575,883.53/550,669.23
  6. Step 6: Final answer
    x = 226,781.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.