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Finding the Fourth Proportional to 488,072.40, 732,041.10 and 151,344.60

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Solution

The fourth proportional to 488,072.40, 732,041.10 and 151,344.60 is: 226,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,072.40 : 732,041.10 = 151,344.60 : x
  2. Step 2: Convert to fraction form
    488,072.40/732,041.10 = 151,344.60/x
  3. Step 3: Cross multiply
    488,072.40x = 732,041.10 × 151,344.60
  4. Step 4: Simplify right side
    488,072.40x = 110,790,467,463.06
  5. Step 5: Solve for x
    x = 110,790,467,463.06/488,072.40
  6. Step 6: Final answer
    x = 226,995.97

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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.