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Finding the Fourth Proportional to 952,794.92, 1,314,860.56 and 517,213.13

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Solution

The fourth proportional to 952,794.92, 1,314,860.56 and 517,213.13 is: 713,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,794.92 : 1,314,860.56 = 517,213.13 : x
  2. Step 2: Convert to fraction form
    952,794.92/1,314,860.56 = 517,213.13/x
  3. Step 3: Cross multiply
    952,794.92x = 1,314,860.56 × 517,213.13
  4. Step 4: Simplify right side
    952,794.92x = 680,063,137,883.82
  5. Step 5: Solve for x
    x = 680,063,137,883.82/952,794.92
  6. Step 6: Final answer
    x = 713,756.05

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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.