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Finding the Fourth Proportional to 666,514.06, 919,787.88 and 364,708.06

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Solution

The fourth proportional to 666,514.06, 919,787.88 and 364,708.06 is: 503,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,514.06 : 919,787.88 = 364,708.06 : x
  2. Step 2: Convert to fraction form
    666,514.06/919,787.88 = 364,708.06/x
  3. Step 3: Cross multiply
    666,514.06x = 919,787.88 × 364,708.06
  4. Step 4: Simplify right side
    666,514.06x = 335,454,053,326.31
  5. Step 5: Solve for x
    x = 335,454,053,326.31/666,514.06
  6. Step 6: Final answer
    x = 503,296.29

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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.