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Finding the Fourth Proportional to 547,600.42, 821,478.49 and 168,552.77

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Solution

The fourth proportional to 547,600.42, 821,478.49 and 168,552.77 is: 252,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,600.42 : 821,478.49 = 168,552.77 : x
  2. Step 2: Convert to fraction form
    547,600.42/821,478.49 = 168,552.77/x
  3. Step 3: Cross multiply
    547,600.42x = 821,478.49 × 168,552.77
  4. Step 4: Simplify right side
    547,600.42x = 138,462,477,979.94
  5. Step 5: Solve for x
    x = 138,462,477,979.94/547,600.42
  6. Step 6: Final answer
    x = 252,853.12

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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.