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Finding the Fourth Proportional to 488,339.66, 732,623.10 and 151,362.44

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Solution

The fourth proportional to 488,339.66, 732,623.10 and 151,362.44 is: 227,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,339.66 : 732,623.10 = 151,362.44 : x
  2. Step 2: Convert to fraction form
    488,339.66/732,623.10 = 151,362.44/x
  3. Step 3: Cross multiply
    488,339.66x = 732,623.10 × 151,362.44
  4. Step 4: Simplify right side
    488,339.66x = 110,891,620,016.36
  5. Step 5: Solve for x
    x = 110,891,620,016.36/488,339.66
  6. Step 6: Final answer
    x = 227,078.87

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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.