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Finding the Fourth Proportional to 268,299.26, 370,245.51 and 147,440.51

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Solution

The fourth proportional to 268,299.26, 370,245.51 and 147,440.51 is: 203,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,299.26 : 370,245.51 = 147,440.51 : x
  2. Step 2: Convert to fraction form
    268,299.26/370,245.51 = 147,440.51/x
  3. Step 3: Cross multiply
    268,299.26x = 370,245.51 × 147,440.51
  4. Step 4: Simplify right side
    268,299.26x = 54,589,184,968.38
  5. Step 5: Solve for x
    x = 54,589,184,968.38/268,299.26
  6. Step 6: Final answer
    x = 203,463.80

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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.