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Finding the Fourth Proportional to 709,464.96, 979,422.84 and 547,957.44

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Solution

The fourth proportional to 709,464.96, 979,422.84 and 547,957.44 is: 756,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,464.96 : 979,422.84 = 547,957.44 : x
  2. Step 2: Convert to fraction form
    709,464.96/979,422.84 = 547,957.44/x
  3. Step 3: Cross multiply
    709,464.96x = 979,422.84 × 547,957.44
  4. Step 4: Simplify right side
    709,464.96x = 536,682,032,083.93
  5. Step 5: Solve for x
    x = 536,682,032,083.93/709,464.96
  6. Step 6: Final answer
    x = 756,460.24

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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.