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Finding the Fourth Proportional to 591,019.25, 886,529.52 and 164,556

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Solution

The fourth proportional to 591,019.25, 886,529.52 and 164,556 is: 246,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,019.25 : 886,529.52 = 164,556 : x
  2. Step 2: Convert to fraction form
    591,019.25/886,529.52 = 164,556/x
  3. Step 3: Cross multiply
    591,019.25x = 886,529.52 × 164,556
  4. Step 4: Simplify right side
    591,019.25x = 145,883,751,693.12
  5. Step 5: Solve for x
    x = 145,883,751,693.12/591,019.25
  6. Step 6: Final answer
    x = 246,834.18

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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.