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Finding the Fourth Proportional to 971,553.15, 1,454,297.11 and 715,674.22

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Solution

The fourth proportional to 971,553.15, 1,454,297.11 and 715,674.22 is: 1,071,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,553.15 : 1,454,297.11 = 715,674.22 : x
  2. Step 2: Convert to fraction form
    971,553.15/1,454,297.11 = 715,674.22/x
  3. Step 3: Cross multiply
    971,553.15x = 1,454,297.11 × 715,674.22
  4. Step 4: Simplify right side
    971,553.15x = 1,040,802,949,847.50
  5. Step 5: Solve for x
    x = 1,040,802,949,847.50/971,553.15
  6. Step 6: Final answer
    x = 1,071,277.42

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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.