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Finding the Fourth Proportional to 437,596.40, 656,020.17 and 167,918.05

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Solution

The fourth proportional to 437,596.40, 656,020.17 and 167,918.05 is: 251,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,596.40 : 656,020.17 = 167,918.05 : x
  2. Step 2: Convert to fraction form
    437,596.40/656,020.17 = 167,918.05/x
  3. Step 3: Cross multiply
    437,596.40x = 656,020.17 × 167,918.05
  4. Step 4: Simplify right side
    437,596.40x = 110,157,627,707.07
  5. Step 5: Solve for x
    x = 110,157,627,707.07/437,596.40
  6. Step 6: Final answer
    x = 251,733.40

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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.