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Finding the Fourth Proportional to 448,713.50, 619,228.58 and 244,765.32

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Solution

The fourth proportional to 448,713.50, 619,228.58 and 244,765.32 is: 337,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,713.50 : 619,228.58 = 244,765.32 : x
  2. Step 2: Convert to fraction form
    448,713.50/619,228.58 = 244,765.32/x
  3. Step 3: Cross multiply
    448,713.50x = 619,228.58 × 244,765.32
  4. Step 4: Simplify right side
    448,713.50x = 151,565,681,536.85
  5. Step 5: Solve for x
    x = 151,565,681,536.85/448,713.50
  6. Step 6: Final answer
    x = 337,778.30

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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.