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Finding the Fourth Proportional to 448,869, 619,452.19 and 247,677.96

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Solution

The fourth proportional to 448,869, 619,452.19 and 247,677.96 is: 341,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,869 : 619,452.19 = 247,677.96 : x
  2. Step 2: Convert to fraction form
    448,869/619,452.19 = 247,677.96/x
  3. Step 3: Cross multiply
    448,869x = 619,452.19 × 247,677.96
  4. Step 4: Simplify right side
    448,869x = 153,424,654,736.73
  5. Step 5: Solve for x
    x = 153,424,654,736.73/448,869
  6. Step 6: Final answer
    x = 341,802.74

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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.