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Finding the Fourth Proportional to 317,255.62, 437,825.01 and 174,021.70

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Solution

The fourth proportional to 317,255.62, 437,825.01 and 174,021.70 is: 240,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,255.62 : 437,825.01 = 174,021.70 : x
  2. Step 2: Convert to fraction form
    317,255.62/437,825.01 = 174,021.70/x
  3. Step 3: Cross multiply
    317,255.62x = 437,825.01 × 174,021.70
  4. Step 4: Simplify right side
    317,255.62x = 76,191,052,542.72
  5. Step 5: Solve for x
    x = 76,191,052,542.72/317,255.62
  6. Step 6: Final answer
    x = 240,156.67

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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.