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Finding the Fourth Proportional to 269,485.60, 404,228.40 and 164,509.60

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Solution

The fourth proportional to 269,485.60, 404,228.40 and 164,509.60 is: 246,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,485.60 : 404,228.40 = 164,509.60 : x
  2. Step 2: Convert to fraction form
    269,485.60/404,228.40 = 164,509.60/x
  3. Step 3: Cross multiply
    269,485.60x = 404,228.40 × 164,509.60
  4. Step 4: Simplify right side
    269,485.60x = 66,499,452,392.64
  5. Step 5: Solve for x
    x = 66,499,452,392.64/269,485.60
  6. Step 6: Final answer
    x = 246,764.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.