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Finding the Fourth Proportional to 554,039.26, 764,274.63 and 370,594.78

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Solution

The fourth proportional to 554,039.26, 764,274.63 and 370,594.78 is: 511,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,039.26 : 764,274.63 = 370,594.78 : x
  2. Step 2: Convert to fraction form
    554,039.26/764,274.63 = 370,594.78/x
  3. Step 3: Cross multiply
    554,039.26x = 764,274.63 × 370,594.78
  4. Step 4: Simplify right side
    554,039.26x = 283,236,188,364.43
  5. Step 5: Solve for x
    x = 283,236,188,364.43/554,039.26
  6. Step 6: Final answer
    x = 511,220.43

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1.5x scale

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.