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Finding the Fourth Proportional to 449,035.44, 619,624.80 and 247,818.48

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Solution

The fourth proportional to 449,035.44, 619,624.80 and 247,818.48 is: 341,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,035.44 : 619,624.80 = 247,818.48 : x
  2. Step 2: Convert to fraction form
    449,035.44/619,624.80 = 247,818.48/x
  3. Step 3: Cross multiply
    449,035.44x = 619,624.80 × 247,818.48
  4. Step 4: Simplify right side
    449,035.44x = 153,554,476,106.30
  5. Step 5: Solve for x
    x = 153,554,476,106.30/449,035.44
  6. Step 6: Final answer
    x = 341,965.16

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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.