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Finding the Fourth Proportional to 482,772.05, 666,225.81 and 267,912.28

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Solution

The fourth proportional to 482,772.05, 666,225.81 and 267,912.28 is: 369,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,772.05 : 666,225.81 = 267,912.28 : x
  2. Step 2: Convert to fraction form
    482,772.05/666,225.81 = 267,912.28/x
  3. Step 3: Cross multiply
    482,772.05x = 666,225.81 × 267,912.28
  4. Step 4: Simplify right side
    482,772.05x = 178,490,078,458.49
  5. Step 5: Solve for x
    x = 178,490,078,458.49/482,772.05
  6. Step 6: Final answer
    x = 369,719.16

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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.