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Finding the Fourth Proportional to 511,627.19, 767,973.02 and 376,843.41

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Solution

The fourth proportional to 511,627.19, 767,973.02 and 376,843.41 is: 565,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,627.19 : 767,973.02 = 376,843.41 : x
  2. Step 2: Convert to fraction form
    511,627.19/767,973.02 = 376,843.41/x
  3. Step 3: Cross multiply
    511,627.19x = 767,973.02 × 376,843.41
  4. Step 4: Simplify right side
    511,627.19x = 289,405,569,760.58
  5. Step 5: Solve for x
    x = 289,405,569,760.58/511,627.19
  6. Step 6: Final answer
    x = 565,657.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.