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Finding the Fourth Proportional to 267,301.28, 368,880.72 and 146,440.64

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Solution

The fourth proportional to 267,301.28, 368,880.72 and 146,440.64 is: 202,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,301.28 : 368,880.72 = 146,440.64 : x
  2. Step 2: Convert to fraction form
    267,301.28/368,880.72 = 146,440.64/x
  3. Step 3: Cross multiply
    267,301.28x = 368,880.72 × 146,440.64
  4. Step 4: Simplify right side
    267,301.28x = 54,019,128,720.46
  5. Step 5: Solve for x
    x = 54,019,128,720.46/267,301.28
  6. Step 6: Final answer
    x = 202,090.80

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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.