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Finding the Fourth Proportional to 435,670.91, 653,546.69 and 169,451.63

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Solution

The fourth proportional to 435,670.91, 653,546.69 and 169,451.63 is: 254,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,670.91 : 653,546.69 = 169,451.63 : x
  2. Step 2: Convert to fraction form
    435,670.91/653,546.69 = 169,451.63/x
  3. Step 3: Cross multiply
    435,670.91x = 653,546.69 × 169,451.63
  4. Step 4: Simplify right side
    435,670.91x = 110,744,551,054.35
  5. Step 5: Solve for x
    x = 110,744,551,054.35/435,670.91
  6. Step 6: Final answer
    x = 254,193.13

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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.