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Finding the Fourth Proportional to 484,467,009.70, 726,700,514.55 and 484,467,009.70

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Solution

The fourth proportional to 484,467,009.70, 726,700,514.55 and 484,467,009.70 is: 726,700,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,467,009.70 : 726,700,514.55 = 484,467,009.70 : x
  2. Step 2: Convert to fraction form
    484,467,009.70/726,700,514.55 = 484,467,009.70/x
  3. Step 3: Cross multiply
    484,467,009.70x = 726,700,514.55 × 484,467,009.70
  4. Step 4: Simplify right side
    484,467,009.70x = 352,062,425,231,489,792
  5. Step 5: Solve for x
    x = 352,062,425,231,489,792/484,467,009.70
  6. Step 6: Final answer
    x = 726,700,514.55

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Similar ratio
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1.5x scale

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.