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Finding the Fourth Proportional to 470,787.96, 706,175.85 and 115,805.07

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Solution

The fourth proportional to 470,787.96, 706,175.85 and 115,805.07 is: 173,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,787.96 : 706,175.85 = 115,805.07 : x
  2. Step 2: Convert to fraction form
    470,787.96/706,175.85 = 115,805.07/x
  3. Step 3: Cross multiply
    470,787.96x = 706,175.85 × 115,805.07
  4. Step 4: Simplify right side
    470,787.96x = 81,778,743,741.56
  5. Step 5: Solve for x
    x = 81,778,743,741.56/470,787.96
  6. Step 6: Final answer
    x = 173,706.11

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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.