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Finding the Fourth Proportional to 298,637.32, 447,950.44 and 73,998.28

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Solution

The fourth proportional to 298,637.32, 447,950.44 and 73,998.28 is: 110,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,637.32 : 447,950.44 = 73,998.28 : x
  2. Step 2: Convert to fraction form
    298,637.32/447,950.44 = 73,998.28/x
  3. Step 3: Cross multiply
    298,637.32x = 447,950.44 × 73,998.28
  4. Step 4: Simplify right side
    298,637.32x = 33,147,562,085.24
  5. Step 5: Solve for x
    x = 33,147,562,085.24/298,637.32
  6. Step 6: Final answer
    x = 110,996.05

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Similar ratio
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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.