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Finding the Fourth Proportional to 399,906,580.53, 551,648,917.50 and 232,624,010.01

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Solution

The fourth proportional to 399,906,580.53, 551,648,917.50 and 232,624,010.01 is: 320,891,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,906,580.53 : 551,648,917.50 = 232,624,010.01 : x
  2. Step 2: Convert to fraction form
    399,906,580.53/551,648,917.50 = 232,624,010.01/x
  3. Step 3: Cross multiply
    399,906,580.53x = 551,648,917.50 × 232,624,010.01
  4. Step 4: Simplify right side
    399,906,580.53x = 128,326,783,306,525,664
  5. Step 5: Solve for x
    x = 128,326,783,306,525,664/399,906,580.53
  6. Step 6: Final answer
    x = 320,891,902.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.