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Finding the Fourth Proportional to 275,698.08, 380,607.84 and 185,528.16

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Solution

The fourth proportional to 275,698.08, 380,607.84 and 185,528.16 is: 256,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,698.08 : 380,607.84 = 185,528.16 : x
  2. Step 2: Convert to fraction form
    275,698.08/380,607.84 = 185,528.16/x
  3. Step 3: Cross multiply
    275,698.08x = 380,607.84 × 185,528.16
  4. Step 4: Simplify right side
    275,698.08x = 70,613,472,236.77
  5. Step 5: Solve for x
    x = 70,613,472,236.77/275,698.08
  6. Step 6: Final answer
    x = 256,126.09

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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.