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Finding the Fourth Proportional to 482,455.68, 665,868.56 and 267,664.94

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Solution

The fourth proportional to 482,455.68, 665,868.56 and 267,664.94 is: 369,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,455.68 : 665,868.56 = 267,664.94 : x
  2. Step 2: Convert to fraction form
    482,455.68/665,868.56 = 267,664.94/x
  3. Step 3: Cross multiply
    482,455.68x = 665,868.56 × 267,664.94
  4. Step 4: Simplify right side
    482,455.68x = 178,229,665,989.63
  5. Step 5: Solve for x
    x = 178,229,665,989.63/482,455.68
  6. Step 6: Final answer
    x = 369,421.84

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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.