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Finding the Fourth Proportional to 608,902,658.96, 913,096,447.32 and 245,299,387.28

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Solution

The fourth proportional to 608,902,658.96, 913,096,447.32 and 245,299,387.28 is: 367,845,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,902,658.96 : 913,096,447.32 = 245,299,387.28 : x
  2. Step 2: Convert to fraction form
    608,902,658.96/913,096,447.32 = 245,299,387.28/x
  3. Step 3: Cross multiply
    608,902,658.96x = 913,096,447.32 × 245,299,387.28
  4. Step 4: Simplify right side
    608,902,658.96x = 223,981,999,055,140,800
  5. Step 5: Solve for x
    x = 223,981,999,055,140,800/608,902,658.96
  6. Step 6: Final answer
    x = 367,845,329.23

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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.