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Finding the Fourth Proportional to 323,364,556.60, 485,117,693.70 and 159,680,728.60

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Solution

The fourth proportional to 323,364,556.60, 485,117,693.70 and 159,680,728.60 is: 239,556,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,364,556.60 : 485,117,693.70 = 159,680,728.60 : x
  2. Step 2: Convert to fraction form
    323,364,556.60/485,117,693.70 = 159,680,728.60/x
  3. Step 3: Cross multiply
    323,364,556.60x = 485,117,693.70 × 159,680,728.60
  4. Step 4: Simplify right side
    323,364,556.60x = 77,463,946,786,767,632
  5. Step 5: Solve for x
    x = 77,463,946,786,767,632/323,364,556.60
  6. Step 6: Final answer
    x = 239,556,083.70

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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.