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Finding the Fourth Proportional to 616,568.61, 850,799.61 and 344,607.87

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Solution

The fourth proportional to 616,568.61, 850,799.61 and 344,607.87 is: 475,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,568.61 : 850,799.61 = 344,607.87 : x
  2. Step 2: Convert to fraction form
    616,568.61/850,799.61 = 344,607.87/x
  3. Step 3: Cross multiply
    616,568.61x = 850,799.61 × 344,607.87
  4. Step 4: Simplify right side
    616,568.61x = 293,192,241,398.93
  5. Step 5: Solve for x
    x = 293,192,241,398.93/616,568.61
  6. Step 6: Final answer
    x = 475,522.49

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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.