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Finding the Fourth Proportional to 616,188.06, 850,356.83 and 344,285.91

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Solution

The fourth proportional to 616,188.06, 850,356.83 and 344,285.91 is: 475,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,188.06 : 850,356.83 = 344,285.91 : x
  2. Step 2: Convert to fraction form
    616,188.06/850,356.83 = 344,285.91/x
  3. Step 3: Cross multiply
    616,188.06x = 850,356.83 × 344,285.91
  4. Step 4: Simplify right side
    616,188.06x = 292,765,875,901.98
  5. Step 5: Solve for x
    x = 292,765,875,901.98/616,188.06
  6. Step 6: Final answer
    x = 475,124.23

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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.