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Finding the Fourth Proportional to 437,617.18, 656,051.30 and 167,938.82

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Solution

The fourth proportional to 437,617.18, 656,051.30 and 167,938.82 is: 251,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,617.18 : 656,051.30 = 167,938.82 : x
  2. Step 2: Convert to fraction form
    437,617.18/656,051.30 = 167,938.82/x
  3. Step 3: Cross multiply
    437,617.18x = 656,051.30 × 167,938.82
  4. Step 4: Simplify right side
    437,617.18x = 110,176,480,151.48
  5. Step 5: Solve for x
    x = 110,176,480,151.48/437,617.18
  6. Step 6: Final answer
    x = 251,764.52

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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.