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Finding the Fourth Proportional to 449,882.86, 674,825.57 and 130,060.76

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Solution

The fourth proportional to 449,882.86, 674,825.57 and 130,060.76 is: 195,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,882.86 : 674,825.57 = 130,060.76 : x
  2. Step 2: Convert to fraction form
    449,882.86/674,825.57 = 130,060.76/x
  3. Step 3: Cross multiply
    449,882.86x = 674,825.57 × 130,060.76
  4. Step 4: Simplify right side
    449,882.86x = 87,768,326,501.63
  5. Step 5: Solve for x
    x = 87,768,326,501.63/449,882.86
  6. Step 6: Final answer
    x = 195,091.51

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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.