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Finding the Fourth Proportional to 347,863.30, 521,503.35 and 181,651.30

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Solution

The fourth proportional to 347,863.30, 521,503.35 and 181,651.30 is: 272,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,863.30 : 521,503.35 = 181,651.30 : x
  2. Step 2: Convert to fraction form
    347,863.30/521,503.35 = 181,651.30/x
  3. Step 3: Cross multiply
    347,863.30x = 521,503.35 × 181,651.30
  4. Step 4: Simplify right side
    347,863.30x = 94,731,761,481.86
  5. Step 5: Solve for x
    x = 94,731,761,481.86/347,863.30
  6. Step 6: Final answer
    x = 272,324.68

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1.5x scale

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.