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Finding the Fourth Proportional to 298,283.58, 447,426.28 and 73,644.04

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Solution

The fourth proportional to 298,283.58, 447,426.28 and 73,644.04 is: 110,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,283.58 : 447,426.28 = 73,644.04 : x
  2. Step 2: Convert to fraction form
    298,283.58/447,426.28 = 73,644.04/x
  3. Step 3: Cross multiply
    298,283.58x = 447,426.28 × 73,644.04
  4. Step 4: Simplify right side
    298,283.58x = 32,950,278,861.37
  5. Step 5: Solve for x
    x = 32,950,278,861.37/298,283.58
  6. Step 6: Final answer
    x = 110,466.28

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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.