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Finding the Fourth Proportional to 356,603,266.80, 498,224,206.80 and 356,603,266.80

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Solution

The fourth proportional to 356,603,266.80, 498,224,206.80 and 356,603,266.80 is: 498,224,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,603,266.80 : 498,224,206.80 = 356,603,266.80 : x
  2. Step 2: Convert to fraction form
    356,603,266.80/498,224,206.80 = 356,603,266.80/x
  3. Step 3: Cross multiply
    356,603,266.80x = 498,224,206.80 × 356,603,266.80
  4. Step 4: Simplify right side
    356,603,266.80x = 177,668,379,743,718,784
  5. Step 5: Solve for x
    x = 177,668,379,743,718,784/356,603,266.80
  6. Step 6: Final answer
    x = 498,224,206.80

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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.