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Finding the Fourth Proportional to 225,355,881.60, 338,285,764.80 and 174,463,516.80

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Solution

The fourth proportional to 225,355,881.60, 338,285,764.80 and 174,463,516.80 is: 261,890,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,355,881.60 : 338,285,764.80 = 174,463,516.80 : x
  2. Step 2: Convert to fraction form
    225,355,881.60/338,285,764.80 = 174,463,516.80/x
  3. Step 3: Cross multiply
    225,355,881.60x = 338,285,764.80 × 174,463,516.80
  4. Step 4: Simplify right side
    225,355,881.60x = 59,018,524,210,385,656
  5. Step 5: Solve for x
    x = 59,018,524,210,385,656/225,355,881.60
  6. Step 6: Final answer
    x = 261,890,321.17

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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.