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Finding the Fourth Proportional to 550,064.44, 825,113.94 and 170,987.14

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Solution

The fourth proportional to 550,064.44, 825,113.94 and 170,987.14 is: 256,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,064.44 : 825,113.94 = 170,987.14 : x
  2. Step 2: Convert to fraction form
    550,064.44/825,113.94 = 170,987.14/x
  3. Step 3: Cross multiply
    550,064.44x = 825,113.94 × 170,987.14
  4. Step 4: Simplify right side
    550,064.44x = 141,083,872,774.73
  5. Step 5: Solve for x
    x = 141,083,872,774.73/550,064.44
  6. Step 6: Final answer
    x = 256,486.08

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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.