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Finding the Fourth Proportional to 495,651.05, 683,990.02 and 269,294.93

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Solution

The fourth proportional to 495,651.05, 683,990.02 and 269,294.93 is: 371,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,651.05 : 683,990.02 = 269,294.93 : x
  2. Step 2: Convert to fraction form
    495,651.05/683,990.02 = 269,294.93/x
  3. Step 3: Cross multiply
    495,651.05x = 683,990.02 × 269,294.93
  4. Step 4: Simplify right side
    495,651.05x = 184,195,044,556.60
  5. Step 5: Solve for x
    x = 184,195,044,556.60/495,651.05
  6. Step 6: Final answer
    x = 371,622.42

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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.