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Finding the Fourth Proportional to 582,506.57, 873,859.49 and 266,990.51

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Solution

The fourth proportional to 582,506.57, 873,859.49 and 266,990.51 is: 400,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,506.57 : 873,859.49 = 266,990.51 : x
  2. Step 2: Convert to fraction form
    582,506.57/873,859.49 = 266,990.51/x
  3. Step 3: Cross multiply
    582,506.57x = 873,859.49 × 266,990.51
  4. Step 4: Simplify right side
    582,506.57x = 233,312,192,754.35
  5. Step 5: Solve for x
    x = 233,312,192,754.35/582,506.57
  6. Step 6: Final answer
    x = 400,531.43

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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.