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Finding the Fourth Proportional to 544,348.28, 814,775.44 and 290,995.40

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Solution

The fourth proportional to 544,348.28, 814,775.44 and 290,995.40 is: 435,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,348.28 : 814,775.44 = 290,995.40 : x
  2. Step 2: Convert to fraction form
    544,348.28/814,775.44 = 290,995.40/x
  3. Step 3: Cross multiply
    544,348.28x = 814,775.44 × 290,995.40
  4. Step 4: Simplify right side
    544,348.28x = 237,095,905,072.98
  5. Step 5: Solve for x
    x = 237,095,905,072.98/544,348.28
  6. Step 6: Final answer
    x = 435,559.21

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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.