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Finding the Fourth Proportional to 449,175.63, 619,854.23 and 255,579.14

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Solution

The fourth proportional to 449,175.63, 619,854.23 and 255,579.14 is: 352,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,175.63 : 619,854.23 = 255,579.14 : x
  2. Step 2: Convert to fraction form
    449,175.63/619,854.23 = 255,579.14/x
  3. Step 3: Cross multiply
    449,175.63x = 619,854.23 × 255,579.14
  4. Step 4: Simplify right side
    449,175.63x = 158,421,813,140.92
  5. Step 5: Solve for x
    x = 158,421,813,140.92/449,175.63
  6. Step 6: Final answer
    x = 352,694.59

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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.