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Finding the Fourth Proportional to 556,906.20, 835,359.30 and 162,922.20

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Solution

The fourth proportional to 556,906.20, 835,359.30 and 162,922.20 is: 244,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,906.20 : 835,359.30 = 162,922.20 : x
  2. Step 2: Convert to fraction form
    556,906.20/835,359.30 = 162,922.20/x
  3. Step 3: Cross multiply
    556,906.20x = 835,359.30 × 162,922.20
  4. Step 4: Simplify right side
    556,906.20x = 136,098,574,946.46
  5. Step 5: Solve for x
    x = 136,098,574,946.46/556,906.20
  6. Step 6: Final answer
    x = 244,383.30

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Double scale
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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.