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Finding the Fourth Proportional to 270,016.40, 405,024.60 and 254,464.40

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Solution

The fourth proportional to 270,016.40, 405,024.60 and 254,464.40 is: 381,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,016.40 : 405,024.60 = 254,464.40 : x
  2. Step 2: Convert to fraction form
    270,016.40/405,024.60 = 254,464.40/x
  3. Step 3: Cross multiply
    270,016.40x = 405,024.60 × 254,464.40
  4. Step 4: Simplify right side
    270,016.40x = 103,064,341,824.24
  5. Step 5: Solve for x
    x = 103,064,341,824.24/270,016.40
  6. Step 6: Final answer
    x = 381,696.60

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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.