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Finding the Fourth Proportional to 434,314.44, 651,471.84 and 118,747.44

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Solution

The fourth proportional to 434,314.44, 651,471.84 and 118,747.44 is: 178,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,314.44 : 651,471.84 = 118,747.44 : x
  2. Step 2: Convert to fraction form
    434,314.44/651,471.84 = 118,747.44/x
  3. Step 3: Cross multiply
    434,314.44x = 651,471.84 × 118,747.44
  4. Step 4: Simplify right side
    434,314.44x = 77,360,613,232.09
  5. Step 5: Solve for x
    x = 77,360,613,232.09/434,314.44
  6. Step 6: Final answer
    x = 178,121.21

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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.