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Finding the Fourth Proportional to 354,294,458.10, 531,441,687.15 and 354,294,458.10

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Solution

The fourth proportional to 354,294,458.10, 531,441,687.15 and 354,294,458.10 is: 531,441,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,458.10 : 531,441,687.15 = 354,294,458.10 : x
  2. Step 2: Convert to fraction form
    354,294,458.10/531,441,687.15 = 354,294,458.10/x
  3. Step 3: Cross multiply
    354,294,458.10x = 531,441,687.15 × 354,294,458.10
  4. Step 4: Simplify right side
    354,294,458.10x = 188,286,844,560,558,976
  5. Step 5: Solve for x
    x = 188,286,844,560,558,976/354,294,458.10
  6. Step 6: Final answer
    x = 531,441,687.15

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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.