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Finding the Fourth Proportional to 616,411.84, 850,651.49 and 344,484.28

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Solution

The fourth proportional to 616,411.84, 850,651.49 and 344,484.28 is: 475,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,411.84 : 850,651.49 = 344,484.28 : x
  2. Step 2: Convert to fraction form
    616,411.84/850,651.49 = 344,484.28/x
  3. Step 3: Cross multiply
    616,411.84x = 850,651.49 × 344,484.28
  4. Step 4: Simplify right side
    616,411.84x = 293,036,060,087.90
  5. Step 5: Solve for x
    x = 293,036,060,087.90/616,411.84
  6. Step 6: Final answer
    x = 475,390.06

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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.