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Finding the Fourth Proportional to 585,984.60, 878,861.70 and 192,000.60

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Solution

The fourth proportional to 585,984.60, 878,861.70 and 192,000.60 is: 287,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,984.60 : 878,861.70 = 192,000.60 : x
  2. Step 2: Convert to fraction form
    585,984.60/878,861.70 = 192,000.60/x
  3. Step 3: Cross multiply
    585,984.60x = 878,861.70 × 192,000.60
  4. Step 4: Simplify right side
    585,984.60x = 168,741,973,717.02
  5. Step 5: Solve for x
    x = 168,741,973,717.02/585,984.60
  6. Step 6: Final answer
    x = 287,963.15

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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.