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Finding the Fourth Proportional to 534,739.74, 737,940.63 and 296,275.74

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Solution

The fourth proportional to 534,739.74, 737,940.63 and 296,275.74 is: 408,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,739.74 : 737,940.63 = 296,275.74 : x
  2. Step 2: Convert to fraction form
    534,739.74/737,940.63 = 296,275.74/x
  3. Step 3: Cross multiply
    534,739.74x = 737,940.63 × 296,275.74
  4. Step 4: Simplify right side
    534,739.74x = 218,633,906,229.32
  5. Step 5: Solve for x
    x = 218,633,906,229.32/534,739.74
  6. Step 6: Final answer
    x = 408,860.40

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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.