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Finding the Fourth Proportional to 291,079.20, 401,660.73 and 163,752.06

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Solution

The fourth proportional to 291,079.20, 401,660.73 and 163,752.06 is: 225,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,079.20 : 401,660.73 = 163,752.06 : x
  2. Step 2: Convert to fraction form
    291,079.20/401,660.73 = 163,752.06/x
  3. Step 3: Cross multiply
    291,079.20x = 401,660.73 × 163,752.06
  4. Step 4: Simplify right side
    291,079.20x = 65,772,771,958.60
  5. Step 5: Solve for x
    x = 65,772,771,958.60/291,079.20
  6. Step 6: Final answer
    x = 225,961.77

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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.