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Finding the Fourth Proportional to 512,110.10, 715,625.53 and 512,110.10

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Solution

The fourth proportional to 512,110.10, 715,625.53 and 512,110.10 is: 715,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,110.10 : 715,625.53 = 512,110.10 : x
  2. Step 2: Convert to fraction form
    512,110.10/715,625.53 = 512,110.10/x
  3. Step 3: Cross multiply
    512,110.10x = 715,625.53 × 512,110.10
  4. Step 4: Simplify right side
    512,110.10x = 366,479,061,730.85
  5. Step 5: Solve for x
    x = 366,479,061,730.85/512,110.10
  6. Step 6: Final answer
    x = 715,625.53

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.