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Finding the Fourth Proportional to 451,336.28, 676,987.96 and 181,547.96

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Solution

The fourth proportional to 451,336.28, 676,987.96 and 181,547.96 is: 272,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,336.28 : 676,987.96 = 181,547.96 : x
  2. Step 2: Convert to fraction form
    451,336.28/676,987.96 = 181,547.96/x
  3. Step 3: Cross multiply
    451,336.28x = 676,987.96 × 181,547.96
  4. Step 4: Simplify right side
    451,336.28x = 122,905,783,082.56
  5. Step 5: Solve for x
    x = 122,905,783,082.56/451,336.28
  6. Step 6: Final answer
    x = 272,315.32

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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.