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Finding the Fourth Proportional to 488,138.58, 732,039.12 and 231,941.52

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Solution

The fourth proportional to 488,138.58, 732,039.12 and 231,941.52 is: 347,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,138.58 : 732,039.12 = 231,941.52 : x
  2. Step 2: Convert to fraction form
    488,138.58/732,039.12 = 231,941.52/x
  3. Step 3: Cross multiply
    488,138.58x = 732,039.12 × 231,941.52
  4. Step 4: Simplify right side
    488,138.58x = 169,790,266,192.26
  5. Step 5: Solve for x
    x = 169,790,266,192.26/488,138.58
  6. Step 6: Final answer
    x = 347,832.10

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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.