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Finding the Fourth Proportional to 449,780.52, 674,670.66 and 117,356.52

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Solution

The fourth proportional to 449,780.52, 674,670.66 and 117,356.52 is: 176,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,780.52 : 674,670.66 = 117,356.52 : x
  2. Step 2: Convert to fraction form
    449,780.52/674,670.66 = 117,356.52/x
  3. Step 3: Cross multiply
    449,780.52x = 674,670.66 × 117,356.52
  4. Step 4: Simplify right side
    449,780.52x = 79,177,000,803.70
  5. Step 5: Solve for x
    x = 79,177,000,803.70/449,780.52
  6. Step 6: Final answer
    x = 176,034.75

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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.