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Finding the Fourth Proportional to 488,511.46, 732,871.66 and 151,544.80

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Solution

The fourth proportional to 488,511.46, 732,871.66 and 151,544.80 is: 227,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,511.46 : 732,871.66 = 151,544.80 : x
  2. Step 2: Convert to fraction form
    488,511.46/732,871.66 = 151,544.80/x
  3. Step 3: Cross multiply
    488,511.46x = 732,871.66 × 151,544.80
  4. Step 4: Simplify right side
    488,511.46x = 111,062,889,140.37
  5. Step 5: Solve for x
    x = 111,062,889,140.37/488,511.46
  6. Step 6: Final answer
    x = 227,349.61

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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.