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Finding the Fourth Proportional to 448,975.44, 619,584.84 and 247,770

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Solution

The fourth proportional to 448,975.44, 619,584.84 and 247,770 is: 341,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,975.44 : 619,584.84 = 247,770 : x
  2. Step 2: Convert to fraction form
    448,975.44/619,584.84 = 247,770/x
  3. Step 3: Cross multiply
    448,975.44x = 619,584.84 × 247,770
  4. Step 4: Simplify right side
    448,975.44x = 153,514,535,806.80
  5. Step 5: Solve for x
    x = 153,514,535,806.80/448,975.44
  6. Step 6: Final answer
    x = 341,921.90

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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.