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Finding the Fourth Proportional to 275,704.08, 380,616.16 and 185,534.16

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Solution

The fourth proportional to 275,704.08, 380,616.16 and 185,534.16 is: 256,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,704.08 : 380,616.16 = 185,534.16 : x
  2. Step 2: Convert to fraction form
    275,704.08/380,616.16 = 185,534.16/x
  3. Step 3: Cross multiply
    275,704.08x = 380,616.16 × 185,534.16
  4. Step 4: Simplify right side
    275,704.08x = 70,617,299,528.03
  5. Step 5: Solve for x
    x = 70,617,299,528.03/275,704.08
  6. Step 6: Final answer
    x = 256,134.40

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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.