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Finding the Fourth Proportional to 437,773.46, 654,659.09 and 318,232.04

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Solution

The fourth proportional to 437,773.46, 654,659.09 and 318,232.04 is: 475,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,773.46 : 654,659.09 = 318,232.04 : x
  2. Step 2: Convert to fraction form
    437,773.46/654,659.09 = 318,232.04/x
  3. Step 3: Cross multiply
    437,773.46x = 654,659.09 × 318,232.04
  4. Step 4: Simplify right side
    437,773.46x = 208,333,496,124.08
  5. Step 5: Solve for x
    x = 208,333,496,124.08/437,773.46
  6. Step 6: Final answer
    x = 475,893.39

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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.