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Finding the Fourth Proportional to 275,368.41, 412,668.15 and 148,735.64

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Solution

The fourth proportional to 275,368.41, 412,668.15 and 148,735.64 is: 222,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,368.41 : 412,668.15 = 148,735.64 : x
  2. Step 2: Convert to fraction form
    275,368.41/412,668.15 = 148,735.64/x
  3. Step 3: Cross multiply
    275,368.41x = 412,668.15 × 148,735.64
  4. Step 4: Simplify right side
    275,368.41x = 61,378,459,334.53
  5. Step 5: Solve for x
    x = 61,378,459,334.53/275,368.41
  6. Step 6: Final answer
    x = 222,895.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.