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Finding the Fourth Proportional to 237,986,948.40, 356,308,576.20 and 237,986,948.40

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Solution

The fourth proportional to 237,986,948.40, 356,308,576.20 and 237,986,948.40 is: 356,308,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,986,948.40 : 356,308,576.20 = 237,986,948.40 : x
  2. Step 2: Convert to fraction form
    237,986,948.40/356,308,576.20 = 237,986,948.40/x
  3. Step 3: Cross multiply
    237,986,948.40x = 356,308,576.20 × 237,986,948.40
  4. Step 4: Simplify right side
    237,986,948.40x = 84,796,790,738,586,864
  5. Step 5: Solve for x
    x = 84,796,790,738,586,864/237,986,948.40
  6. Step 6: Final answer
    x = 356,308,576.20

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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.