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Finding the Fourth Proportional to 493,304.10, 739,956.15 and 448,980.90

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Solution

The fourth proportional to 493,304.10, 739,956.15 and 448,980.90 is: 673,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,304.10 : 739,956.15 = 448,980.90 : x
  2. Step 2: Convert to fraction form
    493,304.10/739,956.15 = 448,980.90/x
  3. Step 3: Cross multiply
    493,304.10x = 739,956.15 × 448,980.90
  4. Step 4: Simplify right side
    493,304.10x = 332,226,178,187.54
  5. Step 5: Solve for x
    x = 332,226,178,187.54/493,304.10
  6. Step 6: Final answer
    x = 673,471.35

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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.