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Finding the Fourth Proportional to 585,381.53, 807,842.26 and 330,727.25

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Solution

The fourth proportional to 585,381.53, 807,842.26 and 330,727.25 is: 456,412.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,381.53 : 807,842.26 = 330,727.25 : x
  2. Step 2: Convert to fraction form
    585,381.53/807,842.26 = 330,727.25/x
  3. Step 3: Cross multiply
    585,381.53x = 807,842.26 × 330,727.25
  4. Step 4: Simplify right side
    585,381.53x = 267,175,451,516.60
  5. Step 5: Solve for x
    x = 267,175,451,516.60/585,381.53
  6. Step 6: Final answer
    x = 456,412.50

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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.