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Finding the Fourth Proportional to 508,374.44, 701,531.45 and 290,576.58

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Solution

The fourth proportional to 508,374.44, 701,531.45 and 290,576.58 is: 400,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,374.44 : 701,531.45 = 290,576.58 : x
  2. Step 2: Convert to fraction form
    508,374.44/701,531.45 = 290,576.58/x
  3. Step 3: Cross multiply
    508,374.44x = 701,531.45 × 290,576.58
  4. Step 4: Simplify right side
    508,374.44x = 203,848,608,050.56
  5. Step 5: Solve for x
    x = 203,848,608,050.56/508,374.44
  6. Step 6: Final answer
    x = 400,981.23

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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.