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Finding the Fourth Proportional to 591,009.20, 886,513.80 and 164,544.20

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Solution

The fourth proportional to 591,009.20, 886,513.80 and 164,544.20 is: 246,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,009.20 : 886,513.80 = 164,544.20 : x
  2. Step 2: Convert to fraction form
    591,009.20/886,513.80 = 164,544.20/x
  3. Step 3: Cross multiply
    591,009.20x = 886,513.80 × 164,544.20
  4. Step 4: Simplify right side
    591,009.20x = 145,870,704,009.96
  5. Step 5: Solve for x
    x = 145,870,704,009.96/591,009.20
  6. Step 6: Final answer
    x = 246,816.30

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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.