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Finding the Fourth Proportional to 328,657.62, 493,160.01 and 233,211.59

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Solution

The fourth proportional to 328,657.62, 493,160.01 and 233,211.59 is: 349,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,657.62 : 493,160.01 = 233,211.59 : x
  2. Step 2: Convert to fraction form
    328,657.62/493,160.01 = 233,211.59/x
  3. Step 3: Cross multiply
    328,657.62x = 493,160.01 × 233,211.59
  4. Step 4: Simplify right side
    328,657.62x = 115,010,630,056.52
  5. Step 5: Solve for x
    x = 115,010,630,056.52/328,657.62
  6. Step 6: Final answer
    x = 349,940.56

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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.