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Finding the Fourth Proportional to 237,986,879.40, 356,308,472.70 and 237,986,879.40

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Solution

The fourth proportional to 237,986,879.40, 356,308,472.70 and 237,986,879.40 is: 356,308,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,986,879.40 : 356,308,472.70 = 237,986,879.40 : x
  2. Step 2: Convert to fraction form
    237,986,879.40/356,308,472.70 = 237,986,879.40/x
  3. Step 3: Cross multiply
    237,986,879.40x = 356,308,472.70 × 237,986,879.40
  4. Step 4: Simplify right side
    237,986,879.40x = 84,796,741,521,653,088
  5. Step 5: Solve for x
    x = 84,796,741,521,653,088/237,986,879.40
  6. Step 6: Final answer
    x = 356,308,472.70

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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.