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Finding the Fourth Proportional to 437,242.44, 656,237.50 and 171,189.80

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Solution

The fourth proportional to 437,242.44, 656,237.50 and 171,189.80 is: 256,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,242.44 : 656,237.50 = 171,189.80 : x
  2. Step 2: Convert to fraction form
    437,242.44/656,237.50 = 171,189.80/x
  3. Step 3: Cross multiply
    437,242.44x = 656,237.50 × 171,189.80
  4. Step 4: Simplify right side
    437,242.44x = 112,341,166,377.50
  5. Step 5: Solve for x
    x = 112,341,166,377.50/437,242.44
  6. Step 6: Final answer
    x = 256,931.07

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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.