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Finding the Fourth Proportional to 544,346.28, 814,772.44 and 290,993.40

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Solution

The fourth proportional to 544,346.28, 814,772.44 and 290,993.40 is: 435,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,346.28 : 814,772.44 = 290,993.40 : x
  2. Step 2: Convert to fraction form
    544,346.28/814,772.44 = 290,993.40/x
  3. Step 3: Cross multiply
    544,346.28x = 814,772.44 × 290,993.40
  4. Step 4: Simplify right side
    544,346.28x = 237,093,402,541.90
  5. Step 5: Solve for x
    x = 237,093,402,541.90/544,346.28
  6. Step 6: Final answer
    x = 435,556.21

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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.