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Finding the Fourth Proportional to 488,506.94, 732,725.30 and 151,538.85

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Solution

The fourth proportional to 488,506.94, 732,725.30 and 151,538.85 is: 227,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,506.94 : 732,725.30 = 151,538.85 : x
  2. Step 2: Convert to fraction form
    488,506.94/732,725.30 = 151,538.85/x
  3. Step 3: Cross multiply
    488,506.94x = 732,725.30 × 151,538.85
  4. Step 4: Simplify right side
    488,506.94x = 111,036,352,238.25
  5. Step 5: Solve for x
    x = 111,036,352,238.25/488,506.94
  6. Step 6: Final answer
    x = 227,297.39

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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.