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Finding the Fourth Proportional to 373,503,594.69, 560,330,978.40 and 131,185,394.37

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Solution

The fourth proportional to 373,503,594.69, 560,330,978.40 and 131,185,394.37 is: 196,804,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,503,594.69 : 560,330,978.40 = 131,185,394.37 : x
  2. Step 2: Convert to fraction form
    373,503,594.69/560,330,978.40 = 131,185,394.37/x
  3. Step 3: Cross multiply
    373,503,594.69x = 560,330,978.40 × 131,185,394.37
  4. Step 4: Simplify right side
    373,503,594.69x = 73,507,240,379,131,952
  5. Step 5: Solve for x
    x = 73,507,240,379,131,952/373,503,594.69
  6. Step 6: Final answer
    x = 196,804,639.70

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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.