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Finding the Fourth Proportional to 590,964.60, 886,446.90 and 555,972.60

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Solution

The fourth proportional to 590,964.60, 886,446.90 and 555,972.60 is: 833,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,964.60 : 886,446.90 = 555,972.60 : x
  2. Step 2: Convert to fraction form
    590,964.60/886,446.90 = 555,972.60/x
  3. Step 3: Cross multiply
    590,964.60x = 886,446.90 × 555,972.60
  4. Step 4: Simplify right side
    590,964.60x = 492,840,187,754.94
  5. Step 5: Solve for x
    x = 492,840,187,754.94/590,964.60
  6. Step 6: Final answer
    x = 833,958.90

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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.