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Finding the Fourth Proportional to 484,468,443.20, 726,702,664.80 and 484,468,443.20

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Solution

The fourth proportional to 484,468,443.20, 726,702,664.80 and 484,468,443.20 is: 726,702,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,468,443.20 : 726,702,664.80 = 484,468,443.20 : x
  2. Step 2: Convert to fraction form
    484,468,443.20/726,702,664.80 = 484,468,443.20/x
  3. Step 3: Cross multiply
    484,468,443.20x = 726,702,664.80 × 484,468,443.20
  4. Step 4: Simplify right side
    484,468,443.20x = 352,064,508,684,947,392
  5. Step 5: Solve for x
    x = 352,064,508,684,947,392/484,468,443.20
  6. Step 6: Final answer
    x = 726,702,664.80

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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.