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Finding the Fourth Proportional to 589,186.47, 813,104.01 and 347,479.23

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Solution

The fourth proportional to 589,186.47, 813,104.01 and 347,479.23 is: 479,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,186.47 : 813,104.01 = 347,479.23 : x
  2. Step 2: Convert to fraction form
    589,186.47/813,104.01 = 347,479.23/x
  3. Step 3: Cross multiply
    589,186.47x = 813,104.01 × 347,479.23
  4. Step 4: Simplify right side
    589,186.47x = 282,536,755,304.71
  5. Step 5: Solve for x
    x = 282,536,755,304.71/589,186.47
  6. Step 6: Final answer
    x = 479,537.07

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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.