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Finding the Fourth Proportional to 448,133.56, 671,680.32 and 181,562.56

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Solution

The fourth proportional to 448,133.56, 671,680.32 and 181,562.56 is: 272,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,133.56 : 671,680.32 = 181,562.56 : x
  2. Step 2: Convert to fraction form
    448,133.56/671,680.32 = 181,562.56/x
  3. Step 3: Cross multiply
    448,133.56x = 671,680.32 × 181,562.56
  4. Step 4: Simplify right side
    448,133.56x = 121,951,998,400.82
  5. Step 5: Solve for x
    x = 121,951,998,400.82/448,133.56
  6. Step 6: Final answer
    x = 272,133.15

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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.