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Finding the Fourth Proportional to 594,540.68, 820,411.62 and 352,781.48

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Solution

The fourth proportional to 594,540.68, 820,411.62 and 352,781.48 is: 486,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,540.68 : 820,411.62 = 352,781.48 : x
  2. Step 2: Convert to fraction form
    594,540.68/820,411.62 = 352,781.48/x
  3. Step 3: Cross multiply
    594,540.68x = 820,411.62 × 352,781.48
  4. Step 4: Simplify right side
    594,540.68x = 289,426,025,512.80
  5. Step 5: Solve for x
    x = 289,426,025,512.80/594,540.68
  6. Step 6: Final answer
    x = 486,806.09

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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.