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Finding the Fourth Proportional to 488,173.09, 732,329.20 and 151,240.23

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Solution

The fourth proportional to 488,173.09, 732,329.20 and 151,240.23 is: 226,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,173.09 : 732,329.20 = 151,240.23 : x
  2. Step 2: Convert to fraction form
    488,173.09/732,329.20 = 151,240.23/x
  3. Step 3: Cross multiply
    488,173.09x = 732,329.20 × 151,240.23
  4. Step 4: Simplify right side
    488,173.09x = 110,757,636,643.72
  5. Step 5: Solve for x
    x = 110,757,636,643.72/488,173.09
  6. Step 6: Final answer
    x = 226,881.90

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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.