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Finding the Fourth Proportional to 592,801.70, 889,202.55 and 394,427.30

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Solution

The fourth proportional to 592,801.70, 889,202.55 and 394,427.30 is: 591,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,801.70 : 889,202.55 = 394,427.30 : x
  2. Step 2: Convert to fraction form
    592,801.70/889,202.55 = 394,427.30/x
  3. Step 3: Cross multiply
    592,801.70x = 889,202.55 × 394,427.30
  4. Step 4: Simplify right side
    592,801.70x = 350,725,760,949.62
  5. Step 5: Solve for x
    x = 350,725,760,949.62/592,801.70
  6. Step 6: Final answer
    x = 591,640.95

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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.