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Finding the Fourth Proportional to 547,353.63, 821,074.05 and 192,447.27

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Solution

The fourth proportional to 547,353.63, 821,074.05 and 192,447.27 is: 288,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,353.63 : 821,074.05 = 192,447.27 : x
  2. Step 2: Convert to fraction form
    547,353.63/821,074.05 = 192,447.27/x
  3. Step 3: Cross multiply
    547,353.63x = 821,074.05 × 192,447.27
  4. Step 4: Simplify right side
    547,353.63x = 158,013,459,390.34
  5. Step 5: Solve for x
    x = 158,013,459,390.34/547,353.63
  6. Step 6: Final answer
    x = 288,686.24

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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.