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Finding the Fourth Proportional to 482,692.60, 666,120.36 and 267,852.64

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Solution

The fourth proportional to 482,692.60, 666,120.36 and 267,852.64 is: 369,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,692.60 : 666,120.36 = 267,852.64 : x
  2. Step 2: Convert to fraction form
    482,692.60/666,120.36 = 267,852.64/x
  3. Step 3: Cross multiply
    482,692.60x = 666,120.36 × 267,852.64
  4. Step 4: Simplify right side
    482,692.60x = 178,422,096,983.75
  5. Step 5: Solve for x
    x = 178,422,096,983.75/482,692.60
  6. Step 6: Final answer
    x = 369,639.18

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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.