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Finding the Fourth Proportional to 448,953.45, 619,568.82 and 245,017.49

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Solution

The fourth proportional to 448,953.45, 619,568.82 and 245,017.49 is: 338,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,953.45 : 619,568.82 = 245,017.49 : x
  2. Step 2: Convert to fraction form
    448,953.45/619,568.82 = 245,017.49/x
  3. Step 3: Cross multiply
    448,953.45x = 619,568.82 × 245,017.49
  4. Step 4: Simplify right side
    448,953.45x = 151,805,194,060.82
  5. Step 5: Solve for x
    x = 151,805,194,060.82/448,953.45
  6. Step 6: Final answer
    x = 338,131.26

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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.