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Finding the Fourth Proportional to 367,820.06, 507,651.84 and 306,468.90

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Solution

The fourth proportional to 367,820.06, 507,651.84 and 306,468.90 is: 422,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,820.06 : 507,651.84 = 306,468.90 : x
  2. Step 2: Convert to fraction form
    367,820.06/507,651.84 = 306,468.90/x
  3. Step 3: Cross multiply
    367,820.06x = 507,651.84 × 306,468.90
  4. Step 4: Simplify right side
    367,820.06x = 155,579,500,987.78
  5. Step 5: Solve for x
    x = 155,579,500,987.78/367,820.06
  6. Step 6: Final answer
    x = 422,977.21

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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.