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Finding the Fourth Proportional to 448,881.50, 619,469.46 and 247,690.46

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Solution

The fourth proportional to 448,881.50, 619,469.46 and 247,690.46 is: 341,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,881.50 : 619,469.46 = 247,690.46 : x
  2. Step 2: Convert to fraction form
    448,881.50/619,469.46 = 247,690.46/x
  3. Step 3: Cross multiply
    448,881.50x = 619,469.46 × 247,690.46
  4. Step 4: Simplify right side
    448,881.50x = 153,436,675,503.35
  5. Step 5: Solve for x
    x = 153,436,675,503.35/448,881.50
  6. Step 6: Final answer
    x = 341,820.00

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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.