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Finding the Fourth Proportional to 328,992.48, 493,159.68 and 151,627.68

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Solution

The fourth proportional to 328,992.48, 493,159.68 and 151,627.68 is: 227,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,992.48 : 493,159.68 = 151,627.68 : x
  2. Step 2: Convert to fraction form
    328,992.48/493,159.68 = 151,627.68/x
  3. Step 3: Cross multiply
    328,992.48x = 493,159.68 × 151,627.68
  4. Step 4: Simplify right side
    328,992.48x = 74,776,658,147.94
  5. Step 5: Solve for x
    x = 74,776,658,147.94/328,992.48
  6. Step 6: Final answer
    x = 227,289.87

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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.