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Finding the Fourth Proportional to 448,954.58, 619,570.37 and 245,018.61

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Solution

The fourth proportional to 448,954.58, 619,570.37 and 245,018.61 is: 338,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,954.58 : 619,570.37 = 245,018.61 : x
  2. Step 2: Convert to fraction form
    448,954.58/619,570.37 = 245,018.61/x
  3. Step 3: Cross multiply
    448,954.58x = 619,570.37 × 245,018.61
  4. Step 4: Simplify right side
    448,954.58x = 151,806,270,854.59
  5. Step 5: Solve for x
    x = 151,806,270,854.59/448,954.58
  6. Step 6: Final answer
    x = 338,132.80

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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.