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Finding the Fourth Proportional to 585,079.80, 877,716.90 and 230,105.40

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Solution

The fourth proportional to 585,079.80, 877,716.90 and 230,105.40 is: 345,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,079.80 : 877,716.90 = 230,105.40 : x
  2. Step 2: Convert to fraction form
    585,079.80/877,716.90 = 230,105.40/x
  3. Step 3: Cross multiply
    585,079.80x = 877,716.90 × 230,105.40
  4. Step 4: Simplify right side
    585,079.80x = 201,967,398,361.26
  5. Step 5: Solve for x
    x = 201,967,398,361.26/585,079.80
  6. Step 6: Final answer
    x = 345,196.33

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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.