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Finding the Fourth Proportional to 298,068.81, 447,103.34 and 73,433.62

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Solution

The fourth proportional to 298,068.81, 447,103.34 and 73,433.62 is: 110,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,068.81 : 447,103.34 = 73,433.62 : x
  2. Step 2: Convert to fraction form
    298,068.81/447,103.34 = 73,433.62/x
  3. Step 3: Cross multiply
    298,068.81x = 447,103.34 × 73,433.62
  4. Step 4: Simplify right side
    298,068.81x = 32,832,415,285.36
  5. Step 5: Solve for x
    x = 32,832,415,285.36/298,068.81
  6. Step 6: Final answer
    x = 110,150.46

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1.5x scale

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.