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Finding the Fourth Proportional to 556,901.20, 835,351.80 and 162,917.20

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Solution

The fourth proportional to 556,901.20, 835,351.80 and 162,917.20 is: 244,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,901.20 : 835,351.80 = 162,917.20 : x
  2. Step 2: Convert to fraction form
    556,901.20/835,351.80 = 162,917.20/x
  3. Step 3: Cross multiply
    556,901.20x = 835,351.80 × 162,917.20
  4. Step 4: Simplify right side
    556,901.20x = 136,093,176,270.96
  5. Step 5: Solve for x
    x = 136,093,176,270.96/556,901.20
  6. Step 6: Final answer
    x = 244,375.80

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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.