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Finding the Fourth Proportional to 591,461.72, 887,446.74 and 192,224.84

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Solution

The fourth proportional to 591,461.72, 887,446.74 and 192,224.84 is: 288,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,461.72 : 887,446.74 = 192,224.84 : x
  2. Step 2: Convert to fraction form
    591,461.72/887,446.74 = 192,224.84/x
  3. Step 3: Cross multiply
    591,461.72x = 887,446.74 × 192,224.84
  4. Step 4: Simplify right side
    591,461.72x = 170,589,307,605.02
  5. Step 5: Solve for x
    x = 170,589,307,605.02/591,461.72
  6. Step 6: Final answer
    x = 288,419.86

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Double scale
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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.