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Finding the Fourth Proportional to 607,524.47, 838,375.01 and 331,878.97

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Solution

The fourth proportional to 607,524.47, 838,375.01 and 331,878.97 is: 457,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,524.47 : 838,375.01 = 331,878.97 : x
  2. Step 2: Convert to fraction form
    607,524.47/838,375.01 = 331,878.97/x
  3. Step 3: Cross multiply
    607,524.47x = 838,375.01 × 331,878.97
  4. Step 4: Simplify right side
    607,524.47x = 278,239,033,133.15
  5. Step 5: Solve for x
    x = 278,239,033,133.15/607,524.47
  6. Step 6: Final answer
    x = 457,988.19

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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.