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Finding the Fourth Proportional to 437,733.90, 656,114.85 and 171,405.90

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Solution

The fourth proportional to 437,733.90, 656,114.85 and 171,405.90 is: 256,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,733.90 : 656,114.85 = 171,405.90 : x
  2. Step 2: Convert to fraction form
    437,733.90/656,114.85 = 171,405.90/x
  3. Step 3: Cross multiply
    437,733.90x = 656,114.85 × 171,405.90
  4. Step 4: Simplify right side
    437,733.90x = 112,461,956,367.62
  5. Step 5: Solve for x
    x = 112,461,956,367.62/437,733.90
  6. Step 6: Final answer
    x = 256,918.54

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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.