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Finding the Fourth Proportional to 482,391.32, 665,740.88 and 267,600.56

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Solution

The fourth proportional to 482,391.32, 665,740.88 and 267,600.56 is: 369,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,391.32 : 665,740.88 = 267,600.56 : x
  2. Step 2: Convert to fraction form
    482,391.32/665,740.88 = 267,600.56/x
  3. Step 3: Cross multiply
    482,391.32x = 665,740.88 × 267,600.56
  4. Step 4: Simplify right side
    482,391.32x = 178,152,634,636.25
  5. Step 5: Solve for x
    x = 178,152,634,636.25/482,391.32
  6. Step 6: Final answer
    x = 369,311.44

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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.