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Finding the Fourth Proportional to 293,473.40, 439,043.70 and 254,463.80

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Solution

The fourth proportional to 293,473.40, 439,043.70 and 254,463.80 is: 380,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,473.40 : 439,043.70 = 254,463.80 : x
  2. Step 2: Convert to fraction form
    293,473.40/439,043.70 = 254,463.80/x
  3. Step 3: Cross multiply
    293,473.40x = 439,043.70 × 254,463.80
  4. Step 4: Simplify right side
    293,473.40x = 111,720,728,268.06
  5. Step 5: Solve for x
    x = 111,720,728,268.06/293,473.40
  6. Step 6: Final answer
    x = 380,684.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.