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Finding the Fourth Proportional to 303,807,712.30, 455,724,010.05 and 88,396,960.30

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Solution

The fourth proportional to 303,807,712.30, 455,724,010.05 and 88,396,960.30 is: 132,599,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,807,712.30 : 455,724,010.05 = 88,396,960.30 : x
  2. Step 2: Convert to fraction form
    303,807,712.30/455,724,010.05 = 88,396,960.30/x
  3. Step 3: Cross multiply
    303,807,712.30x = 455,724,010.05 × 88,396,960.30
  4. Step 4: Simplify right side
    303,807,712.30x = 40,284,617,224,146,648
  5. Step 5: Solve for x
    x = 40,284,617,224,146,648/303,807,712.30
  6. Step 6: Final answer
    x = 132,599,060.50

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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.