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Finding the Fourth Proportional to 593,654.40, 890,481.60 and 238,485.60

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Solution

The fourth proportional to 593,654.40, 890,481.60 and 238,485.60 is: 357,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,654.40 : 890,481.60 = 238,485.60 : x
  2. Step 2: Convert to fraction form
    593,654.40/890,481.60 = 238,485.60/x
  3. Step 3: Cross multiply
    593,654.40x = 890,481.60 × 238,485.60
  4. Step 4: Simplify right side
    593,654.40x = 212,367,038,664.96
  5. Step 5: Solve for x
    x = 212,367,038,664.96/593,654.40
  6. Step 6: Final answer
    x = 357,728.40

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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.