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Finding the Fourth Proportional to 638,168.20, 957,252.30 and 598,802.20

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Solution

The fourth proportional to 638,168.20, 957,252.30 and 598,802.20 is: 898,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,168.20 : 957,252.30 = 598,802.20 : x
  2. Step 2: Convert to fraction form
    638,168.20/957,252.30 = 598,802.20/x
  3. Step 3: Cross multiply
    638,168.20x = 957,252.30 × 598,802.20
  4. Step 4: Simplify right side
    638,168.20x = 573,204,783,195.06
  5. Step 5: Solve for x
    x = 573,204,783,195.06/638,168.20
  6. Step 6: Final answer
    x = 898,203.30

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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.