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Finding the Fourth Proportional to 442,928,803.30, 664,393,204.95 and 442,928,803.30

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Solution

The fourth proportional to 442,928,803.30, 664,393,204.95 and 442,928,803.30 is: 664,393,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,928,803.30 : 664,393,204.95 = 442,928,803.30 : x
  2. Step 2: Convert to fraction form
    442,928,803.30/664,393,204.95 = 442,928,803.30/x
  3. Step 3: Cross multiply
    442,928,803.30x = 664,393,204.95 × 442,928,803.30
  4. Step 4: Simplify right side
    442,928,803.30x = 294,278,887,189,155,136
  5. Step 5: Solve for x
    x = 294,278,887,189,155,136/442,928,803.30
  6. Step 6: Final answer
    x = 664,393,204.95

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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.