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Finding the Fourth Proportional to 448,768.80, 619,288.98 and 244,820.10

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Solution

The fourth proportional to 448,768.80, 619,288.98 and 244,820.10 is: 337,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,768.80 : 619,288.98 = 244,820.10 : x
  2. Step 2: Convert to fraction form
    448,768.80/619,288.98 = 244,820.10/x
  3. Step 3: Cross multiply
    448,768.80x = 619,288.98 × 244,820.10
  4. Step 4: Simplify right side
    448,768.80x = 151,614,390,012.50
  5. Step 5: Solve for x
    x = 151,614,390,012.50/448,768.80
  6. Step 6: Final answer
    x = 337,845.21

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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.