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Finding the Fourth Proportional to 547,621,520, 755,978,287.15 and 366,879,718.03

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Solution

The fourth proportional to 547,621,520, 755,978,287.15 and 366,879,718.03 is: 506,468,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,621,520 : 755,978,287.15 = 366,879,718.03 : x
  2. Step 2: Convert to fraction form
    547,621,520/755,978,287.15 = 366,879,718.03/x
  3. Step 3: Cross multiply
    547,621,520x = 755,978,287.15 × 366,879,718.03
  4. Step 4: Simplify right side
    547,621,520x = 277,353,100,826,394,336
  5. Step 5: Solve for x
    x = 277,353,100,826,394,336/547,621,520
  6. Step 6: Final answer
    x = 506,468,593.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.