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Finding the Fourth Proportional to 437,544.60, 656,389.80 and 171,313.80

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Solution

The fourth proportional to 437,544.60, 656,389.80 and 171,313.80 is: 256,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,544.60 : 656,389.80 = 171,313.80 : x
  2. Step 2: Convert to fraction form
    437,544.60/656,389.80 = 171,313.80/x
  3. Step 3: Cross multiply
    437,544.60x = 656,389.80 × 171,313.80
  4. Step 4: Simplify right side
    437,544.60x = 112,448,630,919.24
  5. Step 5: Solve for x
    x = 112,448,630,919.24/437,544.60
  6. Step 6: Final answer
    x = 256,999.24

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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.