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Finding the Fourth Proportional to 585,255.84, 807,718.62 and 330,623.43

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Solution

The fourth proportional to 585,255.84, 807,718.62 and 330,623.43 is: 456,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,255.84 : 807,718.62 = 330,623.43 : x
  2. Step 2: Convert to fraction form
    585,255.84/807,718.62 = 330,623.43/x
  3. Step 3: Cross multiply
    585,255.84x = 807,718.62 × 330,623.43
  4. Step 4: Simplify right side
    585,255.84x = 267,050,700,619.27
  5. Step 5: Solve for x
    x = 267,050,700,619.27/585,255.84
  6. Step 6: Final answer
    x = 456,297.37

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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.