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Finding the Fourth Proportional to 701,745.77, 968,336.51 and 518,082.08

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Solution

The fourth proportional to 701,745.77, 968,336.51 and 518,082.08 is: 714,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,745.77 : 968,336.51 = 518,082.08 : x
  2. Step 2: Convert to fraction form
    701,745.77/968,336.51 = 518,082.08/x
  3. Step 3: Cross multiply
    701,745.77x = 968,336.51 × 518,082.08
  4. Step 4: Simplify right side
    701,745.77x = 501,677,787,994.32
  5. Step 5: Solve for x
    x = 501,677,787,994.32/701,745.77
  6. Step 6: Final answer
    x = 714,899.63

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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.