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Finding the Fourth Proportional to 482,454.80, 665,867.34 and 267,664.07

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Solution

The fourth proportional to 482,454.80, 665,867.34 and 267,664.07 is: 369,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,454.80 : 665,867.34 = 267,664.07 : x
  2. Step 2: Convert to fraction form
    482,454.80/665,867.34 = 267,664.07/x
  3. Step 3: Cross multiply
    482,454.80x = 665,867.34 × 267,664.07
  4. Step 4: Simplify right side
    482,454.80x = 178,228,758,975.14
  5. Step 5: Solve for x
    x = 178,228,758,975.14/482,454.80
  6. Step 6: Final answer
    x = 369,420.64

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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.