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Finding the Fourth Proportional to 404,825.34, 558,708.23 and 235,059.47

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Solution

The fourth proportional to 404,825.34, 558,708.23 and 235,059.47 is: 324,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,825.34 : 558,708.23 = 235,059.47 : x
  2. Step 2: Convert to fraction form
    404,825.34/558,708.23 = 235,059.47/x
  3. Step 3: Cross multiply
    404,825.34x = 558,708.23 × 235,059.47
  4. Step 4: Simplify right side
    404,825.34x = 131,329,660,317.70
  5. Step 5: Solve for x
    x = 131,329,660,317.70/404,825.34
  6. Step 6: Final answer
    x = 324,410.67

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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.