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Finding the Fourth Proportional to 585,182.07, 807,616.97 and 330,549.66

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Solution

The fourth proportional to 585,182.07, 807,616.97 and 330,549.66 is: 456,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,182.07 : 807,616.97 = 330,549.66 : x
  2. Step 2: Convert to fraction form
    585,182.07/807,616.97 = 330,549.66/x
  3. Step 3: Cross multiply
    585,182.07x = 807,616.97 × 330,549.66
  4. Step 4: Simplify right side
    585,182.07x = 266,957,513,190.98
  5. Step 5: Solve for x
    x = 266,957,513,190.98/585,182.07
  6. Step 6: Final answer
    x = 456,195.65

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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.