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Finding the Fourth Proportional to 576,115.79, 795,039.17 and 321,467.00

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Solution

The fourth proportional to 576,115.79, 795,039.17 and 321,467.00 is: 443,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,115.79 : 795,039.17 = 321,467.00 : x
  2. Step 2: Convert to fraction form
    576,115.79/795,039.17 = 321,467.00/x
  3. Step 3: Cross multiply
    576,115.79x = 795,039.17 × 321,467.00
  4. Step 4: Simplify right side
    576,115.79x = 255,578,851,279.86
  5. Step 5: Solve for x
    x = 255,578,851,279.86/576,115.79
  6. Step 6: Final answer
    x = 443,624.11

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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.