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Finding the Fourth Proportional to 495,790.28, 683,997.42 and 367,036.94

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Solution

The fourth proportional to 495,790.28, 683,997.42 and 367,036.94 is: 506,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,790.28 : 683,997.42 = 367,036.94 : x
  2. Step 2: Convert to fraction form
    495,790.28/683,997.42 = 367,036.94/x
  3. Step 3: Cross multiply
    495,790.28x = 683,997.42 × 367,036.94
  4. Step 4: Simplify right side
    495,790.28x = 251,052,320,004.70
  5. Step 5: Solve for x
    x = 251,052,320,004.70/495,790.28
  6. Step 6: Final answer
    x = 506,367.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.