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Finding the Fourth Proportional to 547,624.84, 821,515.08 and 168,577.10

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Solution

The fourth proportional to 547,624.84, 821,515.08 and 168,577.10 is: 252,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,624.84 : 821,515.08 = 168,577.10 : x
  2. Step 2: Convert to fraction form
    547,624.84/821,515.08 = 168,577.10/x
  3. Step 3: Cross multiply
    547,624.84x = 821,515.08 × 168,577.10
  4. Step 4: Simplify right side
    547,624.84x = 138,488,629,792.67
  5. Step 5: Solve for x
    x = 138,488,629,792.67/547,624.84
  6. Step 6: Final answer
    x = 252,889.61

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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.