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Finding the Fourth Proportional to 609,594.39, 914,566.55 and 398,971.71

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Solution

The fourth proportional to 609,594.39, 914,566.55 and 398,971.71 is: 598,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,594.39 : 914,566.55 = 398,971.71 : x
  2. Step 2: Convert to fraction form
    609,594.39/914,566.55 = 398,971.71/x
  3. Step 3: Cross multiply
    609,594.39x = 914,566.55 × 398,971.71
  4. Step 4: Simplify right side
    609,594.39x = 364,886,178,367.44
  5. Step 5: Solve for x
    x = 364,886,178,367.44/609,594.39
  6. Step 6: Final answer
    x = 598,572.07

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1.5x scale

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.