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Finding the Fourth Proportional to 636,349.50, 954,474.30 and 369,939.96

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Solution

The fourth proportional to 636,349.50, 954,474.30 and 369,939.96 is: 554,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,349.50 : 954,474.30 = 369,939.96 : x
  2. Step 2: Convert to fraction form
    636,349.50/954,474.30 = 369,939.96/x
  3. Step 3: Cross multiply
    636,349.50x = 954,474.30 × 369,939.96
  4. Step 4: Simplify right side
    636,349.50x = 353,098,184,363.03
  5. Step 5: Solve for x
    x = 353,098,184,363.03/636,349.50
  6. Step 6: Final answer
    x = 554,880.90

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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.