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Finding the Fourth Proportional to 576,207.98, 795,242.24 and 321,612.02

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Solution

The fourth proportional to 576,207.98, 795,242.24 and 321,612.02 is: 443,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,207.98 : 795,242.24 = 321,612.02 : x
  2. Step 2: Convert to fraction form
    576,207.98/795,242.24 = 321,612.02/x
  3. Step 3: Cross multiply
    576,207.98x = 795,242.24 × 321,612.02
  4. Step 4: Simplify right side
    576,207.98x = 255,759,457,611.45
  5. Step 5: Solve for x
    x = 255,759,457,611.45/576,207.98
  6. Step 6: Final answer
    x = 443,866.57

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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.