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Finding the Fourth Proportional to 484,404,559.20, 726,606,838.80 and 484,404,559.20

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Solution

The fourth proportional to 484,404,559.20, 726,606,838.80 and 484,404,559.20 is: 726,606,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,404,559.20 : 726,606,838.80 = 484,404,559.20 : x
  2. Step 2: Convert to fraction form
    484,404,559.20/726,606,838.80 = 484,404,559.20/x
  3. Step 3: Cross multiply
    484,404,559.20x = 726,606,838.80 × 484,404,559.20
  4. Step 4: Simplify right side
    484,404,559.20x = 351,971,665,460,619,456
  5. Step 5: Solve for x
    x = 351,971,665,460,619,456/484,404,559.20
  6. Step 6: Final answer
    x = 726,606,838.80

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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.