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Finding the Fourth Proportional to 275,672.64, 380,148.24 and 259,599.84

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Solution

The fourth proportional to 275,672.64, 380,148.24 and 259,599.84 is: 357,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,672.64 : 380,148.24 = 259,599.84 : x
  2. Step 2: Convert to fraction form
    275,672.64/380,148.24 = 259,599.84/x
  3. Step 3: Cross multiply
    275,672.64x = 380,148.24 × 259,599.84
  4. Step 4: Simplify right side
    275,672.64x = 98,686,422,280.28
  5. Step 5: Solve for x
    x = 98,686,422,280.28/275,672.64
  6. Step 6: Final answer
    x = 357,984.10

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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.