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Finding the Fourth Proportional to 237,987,007.40, 356,308,664.70 and 237,987,007.40

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Solution

The fourth proportional to 237,987,007.40, 356,308,664.70 and 237,987,007.40 is: 356,308,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,987,007.40 : 356,308,664.70 = 237,987,007.40 : x
  2. Step 2: Convert to fraction form
    237,987,007.40/356,308,664.70 = 237,987,007.40/x
  3. Step 3: Cross multiply
    237,987,007.40x = 356,308,664.70 × 237,987,007.40
  4. Step 4: Simplify right side
    237,987,007.40x = 84,796,832,822,643,024
  5. Step 5: Solve for x
    x = 84,796,832,822,643,024/237,987,007.40
  6. Step 6: Final answer
    x = 356,308,664.70

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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.