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Finding the Fourth Proportional to 351,341.55, 484,845.60 and 190,195.19

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Solution

The fourth proportional to 351,341.55, 484,845.60 and 190,195.19 is: 262,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,341.55 : 484,845.60 = 190,195.19 : x
  2. Step 2: Convert to fraction form
    351,341.55/484,845.60 = 190,195.19/x
  3. Step 3: Cross multiply
    351,341.55x = 484,845.60 × 190,195.19
  4. Step 4: Simplify right side
    351,341.55x = 92,215,300,049.99
  5. Step 5: Solve for x
    x = 92,215,300,049.99/351,341.55
  6. Step 6: Final answer
    x = 262,466.25

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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.