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Finding the Fourth Proportional to 377,164.26, 520,464.96 and 207,398.52

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Solution

The fourth proportional to 377,164.26, 520,464.96 and 207,398.52 is: 286,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,164.26 : 520,464.96 = 207,398.52 : x
  2. Step 2: Convert to fraction form
    377,164.26/520,464.96 = 207,398.52/x
  3. Step 3: Cross multiply
    377,164.26x = 520,464.96 × 207,398.52
  4. Step 4: Simplify right side
    377,164.26x = 107,943,662,415.86
  5. Step 5: Solve for x
    x = 107,943,662,415.86/377,164.26
  6. Step 6: Final answer
    x = 286,198.01

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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.