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Finding the Fourth Proportional to 693,150.93, 957,863.55 and 500,191.92

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Solution

The fourth proportional to 693,150.93, 957,863.55 and 500,191.92 is: 691,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,150.93 : 957,863.55 = 500,191.92 : x
  2. Step 2: Convert to fraction form
    693,150.93/957,863.55 = 500,191.92/x
  3. Step 3: Cross multiply
    693,150.93x = 957,863.55 × 500,191.92
  4. Step 4: Simplify right side
    693,150.93x = 479,115,608,172.52
  5. Step 5: Solve for x
    x = 479,115,608,172.52/693,150.93
  6. Step 6: Final answer
    x = 691,213.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.