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Finding the Fourth Proportional to 591,707.70, 887,561.55 and 217,682.10

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Solution

The fourth proportional to 591,707.70, 887,561.55 and 217,682.10 is: 326,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,707.70 : 887,561.55 = 217,682.10 : x
  2. Step 2: Convert to fraction form
    591,707.70/887,561.55 = 217,682.10/x
  3. Step 3: Cross multiply
    591,707.70x = 887,561.55 × 217,682.10
  4. Step 4: Simplify right side
    591,707.70x = 193,206,262,083.26
  5. Step 5: Solve for x
    x = 193,206,262,083.26/591,707.70
  6. Step 6: Final answer
    x = 326,523.15

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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.