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Finding the Fourth Proportional to 448,893.61, 619,488.11 and 244,955.71

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Solution

The fourth proportional to 448,893.61, 619,488.11 and 244,955.71 is: 338,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,893.61 : 619,488.11 = 244,955.71 : x
  2. Step 2: Convert to fraction form
    448,893.61/619,488.11 = 244,955.71/x
  3. Step 3: Cross multiply
    448,893.61x = 619,488.11 × 244,955.71
  4. Step 4: Simplify right side
    448,893.61x = 151,747,149,821.61
  5. Step 5: Solve for x
    x = 151,747,149,821.61/448,893.61
  6. Step 6: Final answer
    x = 338,047.03

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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.