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Finding the Fourth Proportional to 364,057.68, 546,332.56 and 127,402.44

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Solution

The fourth proportional to 364,057.68, 546,332.56 and 127,402.44 is: 191,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,057.68 : 546,332.56 = 127,402.44 : x
  2. Step 2: Convert to fraction form
    364,057.68/546,332.56 = 127,402.44/x
  3. Step 3: Cross multiply
    364,057.68x = 546,332.56 × 127,402.44
  4. Step 4: Simplify right side
    364,057.68x = 69,604,101,195.45
  5. Step 5: Solve for x
    x = 69,604,101,195.45/364,057.68
  6. Step 6: Final answer
    x = 191,189.76

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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.