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Finding the Fourth Proportional to 577,054.90, 864,891.15 and 296,427.70

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Solution

The fourth proportional to 577,054.90, 864,891.15 and 296,427.70 is: 444,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,054.90 : 864,891.15 = 296,427.70 : x
  2. Step 2: Convert to fraction form
    577,054.90/864,891.15 = 296,427.70/x
  3. Step 3: Cross multiply
    577,054.90x = 864,891.15 × 296,427.70
  4. Step 4: Simplify right side
    577,054.90x = 256,377,694,344.86
  5. Step 5: Solve for x
    x = 256,377,694,344.86/577,054.90
  6. Step 6: Final answer
    x = 444,286.49

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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.