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Finding the Fourth Proportional to 347,297.60, 521,119.20 and 197,652.80

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Solution

The fourth proportional to 347,297.60, 521,119.20 and 197,652.80 is: 296,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,297.60 : 521,119.20 = 197,652.80 : x
  2. Step 2: Convert to fraction form
    347,297.60/521,119.20 = 197,652.80/x
  3. Step 3: Cross multiply
    347,297.60x = 521,119.20 × 197,652.80
  4. Step 4: Simplify right side
    347,297.60x = 103,000,669,013.76
  5. Step 5: Solve for x
    x = 103,000,669,013.76/347,297.60
  6. Step 6: Final answer
    x = 296,577.54

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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.