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Finding the Fourth Proportional to 594,442.40, 820,335.13 and 349,361.37

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Solution

The fourth proportional to 594,442.40, 820,335.13 and 349,361.37 is: 482,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,442.40 : 820,335.13 = 349,361.37 : x
  2. Step 2: Convert to fraction form
    594,442.40/820,335.13 = 349,361.37/x
  3. Step 3: Cross multiply
    594,442.40x = 820,335.13 × 349,361.37
  4. Step 4: Simplify right side
    594,442.40x = 286,593,404,002.53
  5. Step 5: Solve for x
    x = 286,593,404,002.53/594,442.40
  6. Step 6: Final answer
    x = 482,121.41

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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.