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Finding the Fourth Proportional to 481,975.06, 665,125.56 and 267,128.96

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Solution

The fourth proportional to 481,975.06, 665,125.56 and 267,128.96 is: 368,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,975.06 : 665,125.56 = 267,128.96 : x
  2. Step 2: Convert to fraction form
    481,975.06/665,125.56 = 267,128.96/x
  3. Step 3: Cross multiply
    481,975.06x = 665,125.56 × 267,128.96
  4. Step 4: Simplify right side
    481,975.06x = 177,674,302,525.53
  5. Step 5: Solve for x
    x = 177,674,302,525.53/481,975.06
  6. Step 6: Final answer
    x = 368,637.96

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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.