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Finding the Fourth Proportional to 593,481.40, 890,222.10 and 372,297.40

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Solution

The fourth proportional to 593,481.40, 890,222.10 and 372,297.40 is: 558,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,481.40 : 890,222.10 = 372,297.40 : x
  2. Step 2: Convert to fraction form
    593,481.40/890,222.10 = 372,297.40/x
  3. Step 3: Cross multiply
    593,481.40x = 890,222.10 × 372,297.40
  4. Step 4: Simplify right side
    593,481.40x = 331,427,373,252.54
  5. Step 5: Solve for x
    x = 331,427,373,252.54/593,481.40
  6. Step 6: Final answer
    x = 558,446.10

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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.