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Finding the Fourth Proportional to 448,606.82, 619,052.72 and 254,987.61

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Solution

The fourth proportional to 448,606.82, 619,052.72 and 254,987.61 is: 351,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,606.82 : 619,052.72 = 254,987.61 : x
  2. Step 2: Convert to fraction form
    448,606.82/619,052.72 = 254,987.61/x
  3. Step 3: Cross multiply
    448,606.82x = 619,052.72 × 254,987.61
  4. Step 4: Simplify right side
    448,606.82x = 157,850,772,261.86
  5. Step 5: Solve for x
    x = 157,850,772,261.86/448,606.82
  6. Step 6: Final answer
    x = 351,868.87

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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.