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Finding the Fourth Proportional to 611,648.07, 844,051.00 and 339,733.41

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Solution

The fourth proportional to 611,648.07, 844,051.00 and 339,733.41 is: 468,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,648.07 : 844,051.00 = 339,733.41 : x
  2. Step 2: Convert to fraction form
    611,648.07/844,051.00 = 339,733.41/x
  3. Step 3: Cross multiply
    611,648.07x = 844,051.00 × 339,733.41
  4. Step 4: Simplify right side
    611,648.07x = 286,752,321,413.55
  5. Step 5: Solve for x
    x = 286,752,321,413.55/611,648.07
  6. Step 6: Final answer
    x = 468,819.14

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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.