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Finding the Fourth Proportional to 295,857.37, 443,783.32 and 127,496.64

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Solution

The fourth proportional to 295,857.37, 443,783.32 and 127,496.64 is: 191,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,857.37 : 443,783.32 = 127,496.64 : x
  2. Step 2: Convert to fraction form
    295,857.37/443,783.32 = 127,496.64/x
  3. Step 3: Cross multiply
    295,857.37x = 443,783.32 × 127,496.64
  4. Step 4: Simplify right side
    295,857.37x = 56,580,884,250.66
  5. Step 5: Solve for x
    x = 56,580,884,250.66/295,857.37
  6. Step 6: Final answer
    x = 191,243.79

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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.