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Finding the Fourth Proportional to 551,076.06, 760,843.59 and 336,340.61

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Solution

The fourth proportional to 551,076.06, 760,843.59 and 336,340.61 is: 464,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,076.06 : 760,843.59 = 336,340.61 : x
  2. Step 2: Convert to fraction form
    551,076.06/760,843.59 = 336,340.61/x
  3. Step 3: Cross multiply
    551,076.06x = 760,843.59 × 336,340.61
  4. Step 4: Simplify right side
    551,076.06x = 255,902,597,175.19
  5. Step 5: Solve for x
    x = 255,902,597,175.19/551,076.06
  6. Step 6: Final answer
    x = 464,368.92

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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.