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Finding the Fourth Proportional to 691,759.74, 955,072.62 and 433,990.14

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Solution

The fourth proportional to 691,759.74, 955,072.62 and 433,990.14 is: 599,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,759.74 : 955,072.62 = 433,990.14 : x
  2. Step 2: Convert to fraction form
    691,759.74/955,072.62 = 433,990.14/x
  3. Step 3: Cross multiply
    691,759.74x = 955,072.62 × 433,990.14
  4. Step 4: Simplify right side
    691,759.74x = 414,492,100,063.97
  5. Step 5: Solve for x
    x = 414,492,100,063.97/691,759.74
  6. Step 6: Final answer
    x = 599,185.06

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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.