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Finding the Fourth Proportional to 263,016,720.80, 369,029,624.80 and 263,016,720.80

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Solution

The fourth proportional to 263,016,720.80, 369,029,624.80 and 263,016,720.80 is: 369,029,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,016,720.80 : 369,029,624.80 = 263,016,720.80 : x
  2. Step 2: Convert to fraction form
    263,016,720.80/369,029,624.80 = 263,016,720.80/x
  3. Step 3: Cross multiply
    263,016,720.80x = 369,029,624.80 × 263,016,720.80
  4. Step 4: Simplify right side
    263,016,720.80x = 97,060,961,792,950,368
  5. Step 5: Solve for x
    x = 97,060,961,792,950,368/263,016,720.80
  6. Step 6: Final answer
    x = 369,029,624.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.