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Finding the Fourth Proportional to 364,265.40, 546,367.38 and 205,995.96

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Solution

The fourth proportional to 364,265.40, 546,367.38 and 205,995.96 is: 308,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,265.40 : 546,367.38 = 205,995.96 : x
  2. Step 2: Convert to fraction form
    364,265.40/546,367.38 = 205,995.96/x
  3. Step 3: Cross multiply
    364,265.40x = 546,367.38 × 205,995.96
  4. Step 4: Simplify right side
    364,265.40x = 112,549,472,955.79
  5. Step 5: Solve for x
    x = 112,549,472,955.79/364,265.40
  6. Step 6: Final answer
    x = 308,976.57

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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.