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Finding the Fourth Proportional to 598,453.38, 825,861.44 and 340,330.17

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Solution

The fourth proportional to 598,453.38, 825,861.44 and 340,330.17 is: 469,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,453.38 : 825,861.44 = 340,330.17 : x
  2. Step 2: Convert to fraction form
    598,453.38/825,861.44 = 340,330.17/x
  3. Step 3: Cross multiply
    598,453.38x = 825,861.44 × 340,330.17
  4. Step 4: Simplify right side
    598,453.38x = 281,065,562,569.99
  5. Step 5: Solve for x
    x = 281,065,562,569.99/598,453.38
  6. Step 6: Final answer
    x = 469,653.23

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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.