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Finding the Fourth Proportional to 598,722.70, 827,318.11 and 426,341.39

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Solution

The fourth proportional to 598,722.70, 827,318.11 and 426,341.39 is: 589,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,722.70 : 827,318.11 = 426,341.39 : x
  2. Step 2: Convert to fraction form
    598,722.70/827,318.11 = 426,341.39/x
  3. Step 3: Cross multiply
    598,722.70x = 827,318.11 × 426,341.39
  4. Step 4: Simplify right side
    598,722.70x = 352,719,952,989.57
  5. Step 5: Solve for x
    x = 352,719,952,989.57/598,722.70
  6. Step 6: Final answer
    x = 589,120.73

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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.