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Finding the Fourth Proportional to 235,372,649.40, 352,387,127.70 and 235,372,649.40

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Solution

The fourth proportional to 235,372,649.40, 352,387,127.70 and 235,372,649.40 is: 352,387,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,372,649.40 : 352,387,127.70 = 235,372,649.40 : x
  2. Step 2: Convert to fraction form
    235,372,649.40/352,387,127.70 = 235,372,649.40/x
  3. Step 3: Cross multiply
    235,372,649.40x = 352,387,127.70 × 235,372,649.40
  4. Step 4: Simplify right side
    235,372,649.40x = 82,942,291,861,205,120
  5. Step 5: Solve for x
    x = 82,942,291,861,205,120/235,372,649.40
  6. Step 6: Final answer
    x = 352,387,127.70

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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.