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Finding the Fourth Proportional to 576,967.44, 796,199.48 and 315,312.40

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Solution

The fourth proportional to 576,967.44, 796,199.48 and 315,312.40 is: 435,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,967.44 : 796,199.48 = 315,312.40 : x
  2. Step 2: Convert to fraction form
    576,967.44/796,199.48 = 315,312.40/x
  3. Step 3: Cross multiply
    576,967.44x = 796,199.48 × 315,312.40
  4. Step 4: Simplify right side
    576,967.44x = 251,051,568,917.55
  5. Step 5: Solve for x
    x = 251,051,568,917.55/576,967.44
  6. Step 6: Final answer
    x = 435,122.59

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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.