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Finding the Fourth Proportional to 654,989.45, 982,484.08 and 181,674.81

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Solution

The fourth proportional to 654,989.45, 982,484.08 and 181,674.81 is: 272,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,989.45 : 982,484.08 = 181,674.81 : x
  2. Step 2: Convert to fraction form
    654,989.45/982,484.08 = 181,674.81/x
  3. Step 3: Cross multiply
    654,989.45x = 982,484.08 × 181,674.81
  4. Step 4: Simplify right side
    654,989.45x = 178,492,608,562.03
  5. Step 5: Solve for x
    x = 178,492,608,562.03/654,989.45
  6. Step 6: Final answer
    x = 272,512.19

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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.