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Finding the Fourth Proportional to 654,989.70, 982,484.46 and 181,675.05

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Solution

The fourth proportional to 654,989.70, 982,484.46 and 181,675.05 is: 272,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,989.70 : 982,484.46 = 181,675.05 : x
  2. Step 2: Convert to fraction form
    654,989.70/982,484.46 = 181,675.05/x
  3. Step 3: Cross multiply
    654,989.70x = 982,484.46 × 181,675.05
  4. Step 4: Simplify right side
    654,989.70x = 178,492,913,394.72
  5. Step 5: Solve for x
    x = 178,492,913,394.72/654,989.70
  6. Step 6: Final answer
    x = 272,512.55

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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.