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Finding the Fourth Proportional to 591,293.80, 886,940.70 and 148,061.80

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Solution

The fourth proportional to 591,293.80, 886,940.70 and 148,061.80 is: 222,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,293.80 : 886,940.70 = 148,061.80 : x
  2. Step 2: Convert to fraction form
    591,293.80/886,940.70 = 148,061.80/x
  3. Step 3: Cross multiply
    591,293.80x = 886,940.70 × 148,061.80
  4. Step 4: Simplify right side
    591,293.80x = 131,322,036,535.26
  5. Step 5: Solve for x
    x = 131,322,036,535.26/591,293.80
  6. Step 6: Final answer
    x = 222,092.70

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Similar ratio
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1.5x scale

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.