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Finding the Fourth Proportional to 367,727.88, 507,486.15 and 276,923.64

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Solution

The fourth proportional to 367,727.88, 507,486.15 and 276,923.64 is: 382,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,727.88 : 507,486.15 = 276,923.64 : x
  2. Step 2: Convert to fraction form
    367,727.88/507,486.15 = 276,923.64/x
  3. Step 3: Cross multiply
    367,727.88x = 507,486.15 × 276,923.64
  4. Step 4: Simplify right side
    367,727.88x = 140,534,911,907.59
  5. Step 5: Solve for x
    x = 140,534,911,907.59/367,727.88
  6. Step 6: Final answer
    x = 382,170.95

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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.