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Finding the Fourth Proportional to 402,246.69, 603,369.43 and 102,727.45

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Solution

The fourth proportional to 402,246.69, 603,369.43 and 102,727.45 is: 154,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,246.69 : 603,369.43 = 102,727.45 : x
  2. Step 2: Convert to fraction form
    402,246.69/603,369.43 = 102,727.45/x
  3. Step 3: Cross multiply
    402,246.69x = 603,369.43 × 102,727.45
  4. Step 4: Simplify right side
    402,246.69x = 61,982,602,951.85
  5. Step 5: Solve for x
    x = 61,982,602,951.85/402,246.69
  6. Step 6: Final answer
    x = 154,091.02

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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.