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Finding the Fourth Proportional to 293,134.40, 440,673.60 and 254,643.20

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Solution

The fourth proportional to 293,134.40, 440,673.60 and 254,643.20 is: 382,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,134.40 : 440,673.60 = 254,643.20 : x
  2. Step 2: Convert to fraction form
    293,134.40/440,673.60 = 254,643.20/x
  3. Step 3: Cross multiply
    293,134.40x = 440,673.60 × 254,643.20
  4. Step 4: Simplify right side
    293,134.40x = 112,214,535,659.52
  5. Step 5: Solve for x
    x = 112,214,535,659.52/293,134.40
  6. Step 6: Final answer
    x = 382,809.17

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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.