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Finding the Fourth Proportional to 551,310.22, 760,890.45 and 336,574.96

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Solution

The fourth proportional to 551,310.22, 760,890.45 and 336,574.96 is: 464,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,310.22 : 760,890.45 = 336,574.96 : x
  2. Step 2: Convert to fraction form
    551,310.22/760,890.45 = 336,574.96/x
  3. Step 3: Cross multiply
    551,310.22x = 760,890.45 × 336,574.96
  4. Step 4: Simplify right side
    551,310.22x = 256,096,672,773.13
  5. Step 5: Solve for x
    x = 256,096,672,773.13/551,310.22
  6. Step 6: Final answer
    x = 464,523.72

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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.