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Finding the Fourth Proportional to 449,043.36, 619,674.96 and 245,092.64

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Solution

The fourth proportional to 449,043.36, 619,674.96 and 245,092.64 is: 338,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,043.36 : 619,674.96 = 245,092.64 : x
  2. Step 2: Convert to fraction form
    449,043.36/619,674.96 = 245,092.64/x
  3. Step 3: Cross multiply
    449,043.36x = 619,674.96 × 245,092.64
  4. Step 4: Simplify right side
    449,043.36x = 151,877,771,888.29
  5. Step 5: Solve for x
    x = 151,877,771,888.29/449,043.36
  6. Step 6: Final answer
    x = 338,225.18

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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.