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Finding the Fourth Proportional to 590,979.60, 886,469.40 and 523,328.40

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Solution

The fourth proportional to 590,979.60, 886,469.40 and 523,328.40 is: 784,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,979.60 : 886,469.40 = 523,328.40 : x
  2. Step 2: Convert to fraction form
    590,979.60/886,469.40 = 523,328.40/x
  3. Step 3: Cross multiply
    590,979.60x = 886,469.40 × 523,328.40
  4. Step 4: Simplify right side
    590,979.60x = 463,914,612,750.96
  5. Step 5: Solve for x
    x = 463,914,612,750.96/590,979.60
  6. Step 6: Final answer
    x = 784,992.60

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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.