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Finding the Fourth Proportional to 677,818.26, 935,357.63 and 371,887.74

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Solution

The fourth proportional to 677,818.26, 935,357.63 and 371,887.74 is: 513,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,818.26 : 935,357.63 = 371,887.74 : x
  2. Step 2: Convert to fraction form
    677,818.26/935,357.63 = 371,887.74/x
  3. Step 3: Cross multiply
    677,818.26x = 935,357.63 × 371,887.74
  4. Step 4: Simplify right side
    677,818.26x = 347,848,033,253.02
  5. Step 5: Solve for x
    x = 347,848,033,253.02/677,818.26
  6. Step 6: Final answer
    x = 513,187.76

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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.