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Finding the Fourth Proportional to 368,927,998.40, 552,794,800.80 and 232,368,996.80

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Solution

The fourth proportional to 368,927,998.40, 552,794,800.80 and 232,368,996.80 is: 348,177,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,927,998.40 : 552,794,800.80 = 232,368,996.80 : x
  2. Step 2: Convert to fraction form
    368,927,998.40/552,794,800.80 = 232,368,996.80/x
  3. Step 3: Cross multiply
    368,927,998.40x = 552,794,800.80 × 232,368,996.80
  4. Step 4: Simplify right side
    368,927,998.40x = 128,452,373,298,151,840
  5. Step 5: Solve for x
    x = 128,452,373,298,151,840/368,927,998.40
  6. Step 6: Final answer
    x = 348,177,351.29

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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.