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Finding the Fourth Proportional to 585,388.77, 877,453.26 and 382,908.60

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Solution

The fourth proportional to 585,388.77, 877,453.26 and 382,908.60 is: 573,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,388.77 : 877,453.26 = 382,908.60 : x
  2. Step 2: Convert to fraction form
    585,388.77/877,453.26 = 382,908.60/x
  3. Step 3: Cross multiply
    585,388.77x = 877,453.26 × 382,908.60
  4. Step 4: Simplify right side
    585,388.77x = 335,984,399,352.04
  5. Step 5: Solve for x
    x = 335,984,399,352.04/585,388.77
  6. Step 6: Final answer
    x = 573,950.88

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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.