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Finding the Fourth Proportional to 448,691.66, 619,201.76 and 244,742.52

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Solution

The fourth proportional to 448,691.66, 619,201.76 and 244,742.52 is: 337,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,691.66 : 619,201.76 = 244,742.52 : x
  2. Step 2: Convert to fraction form
    448,691.66/619,201.76 = 244,742.52/x
  3. Step 3: Cross multiply
    448,691.66x = 619,201.76 × 244,742.52
  4. Step 4: Simplify right side
    448,691.66x = 151,544,999,130.84
  5. Step 5: Solve for x
    x = 151,544,999,130.84/448,691.66
  6. Step 6: Final answer
    x = 337,748.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.