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Finding the Fourth Proportional to 622,872,846.30, 934,309,269.45 and 622,872,846.30

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Solution

The fourth proportional to 622,872,846.30, 934,309,269.45 and 622,872,846.30 is: 934,309,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,872,846.30 : 934,309,269.45 = 622,872,846.30 : x
  2. Step 2: Convert to fraction form
    622,872,846.30/934,309,269.45 = 622,872,846.30/x
  3. Step 3: Cross multiply
    622,872,846.30x = 934,309,269.45 × 622,872,846.30
  4. Step 4: Simplify right side
    622,872,846.30x = 581,955,873,986,795,136
  5. Step 5: Solve for x
    x = 581,955,873,986,795,136/622,872,846.30
  6. Step 6: Final answer
    x = 934,309,269.45

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Double scale
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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.