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Finding the Fourth Proportional to 593,659.40, 890,489.10 and 238,490.60

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Solution

The fourth proportional to 593,659.40, 890,489.10 and 238,490.60 is: 357,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,659.40 : 890,489.10 = 238,490.60 : x
  2. Step 2: Convert to fraction form
    593,659.40/890,489.10 = 238,490.60/x
  3. Step 3: Cross multiply
    593,659.40x = 890,489.10 × 238,490.60
  4. Step 4: Simplify right side
    593,659.40x = 212,373,279,752.46
  5. Step 5: Solve for x
    x = 212,373,279,752.46/593,659.40
  6. Step 6: Final answer
    x = 357,735.90

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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.