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Finding the Fourth Proportional to 448,675.34, 619,173.90 and 244,730.64

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Solution

The fourth proportional to 448,675.34, 619,173.90 and 244,730.64 is: 337,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,675.34 : 619,173.90 = 244,730.64 : x
  2. Step 2: Convert to fraction form
    448,675.34/619,173.90 = 244,730.64/x
  3. Step 3: Cross multiply
    448,675.34x = 619,173.90 × 244,730.64
  4. Step 4: Simplify right side
    448,675.34x = 151,530,820,498.77
  5. Step 5: Solve for x
    x = 151,530,820,498.77/448,675.34
  6. Step 6: Final answer
    x = 337,729.33

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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.