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Finding the Fourth Proportional to 865,948, 1,297,781.52 and 366,694.24

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Solution

The fourth proportional to 865,948, 1,297,781.52 and 366,694.24 is: 549,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,948 : 1,297,781.52 = 366,694.24 : x
  2. Step 2: Convert to fraction form
    865,948/1,297,781.52 = 366,694.24/x
  3. Step 3: Cross multiply
    865,948x = 1,297,781.52 × 366,694.24
  4. Step 4: Simplify right side
    865,948x = 475,889,008,162.45
  5. Step 5: Solve for x
    x = 475,889,008,162.45/865,948
  6. Step 6: Final answer
    x = 549,558.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.