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Finding the Fourth Proportional to 726,714,937.80, 1,090,072,406.70 and 726,714,937.80

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Solution

The fourth proportional to 726,714,937.80, 1,090,072,406.70 and 726,714,937.80 is: 1,090,072,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,714,937.80 : 1,090,072,406.70 = 726,714,937.80 : x
  2. Step 2: Convert to fraction form
    726,714,937.80/1,090,072,406.70 = 726,714,937.80/x
  3. Step 3: Cross multiply
    726,714,937.80x = 1,090,072,406.70 × 726,714,937.80
  4. Step 4: Simplify right side
    726,714,937.80x = 792,171,901,232,486,784
  5. Step 5: Solve for x
    x = 792,171,901,232,486,784/726,714,937.80
  6. Step 6: Final answer
    x = 1,090,072,406.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.