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Finding the Fourth Proportional to 351,313.80, 484,814.22 and 190,168.80

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Solution

The fourth proportional to 351,313.80, 484,814.22 and 190,168.80 is: 262,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,313.80 : 484,814.22 = 190,168.80 : x
  2. Step 2: Convert to fraction form
    351,313.80/484,814.22 = 190,168.80/x
  3. Step 3: Cross multiply
    351,313.80x = 484,814.22 × 190,168.80
  4. Step 4: Simplify right side
    351,313.80x = 92,196,538,440.34
  5. Step 5: Solve for x
    x = 92,196,538,440.34/351,313.80
  6. Step 6: Final answer
    x = 262,433.58

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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.