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Finding the Fourth Proportional to 554,038.26, 764,273.25 and 370,593.78

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Solution

The fourth proportional to 554,038.26, 764,273.25 and 370,593.78 is: 511,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,038.26 : 764,273.25 = 370,593.78 : x
  2. Step 2: Convert to fraction form
    554,038.26/764,273.25 = 370,593.78/x
  3. Step 3: Cross multiply
    554,038.26x = 764,273.25 × 370,593.78
  4. Step 4: Simplify right side
    554,038.26x = 283,234,912,670.39
  5. Step 5: Solve for x
    x = 283,234,912,670.39/554,038.26
  6. Step 6: Final answer
    x = 511,219.05

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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.