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Finding the Fourth Proportional to 449,037, 619,671.87 and 247,833

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Solution

The fourth proportional to 449,037, 619,671.87 and 247,833 is: 342,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,037 : 619,671.87 = 247,833 : x
  2. Step 2: Convert to fraction form
    449,037/619,671.87 = 247,833/x
  3. Step 3: Cross multiply
    449,037x = 619,671.87 × 247,833
  4. Step 4: Simplify right side
    449,037x = 153,575,138,557.71
  5. Step 5: Solve for x
    x = 153,575,138,557.71/449,037
  6. Step 6: Final answer
    x = 342,009.99

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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.