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Finding the Fourth Proportional to 295,247.36, 407,442.48 and 161,111.36

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Solution

The fourth proportional to 295,247.36, 407,442.48 and 161,111.36 is: 222,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,247.36 : 407,442.48 = 161,111.36 : x
  2. Step 2: Convert to fraction form
    295,247.36/407,442.48 = 161,111.36/x
  3. Step 3: Cross multiply
    295,247.36x = 407,442.48 × 161,111.36
  4. Step 4: Simplify right side
    295,247.36x = 65,643,612,074.57
  5. Step 5: Solve for x
    x = 65,643,612,074.57/295,247.36
  6. Step 6: Final answer
    x = 222,334.29

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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.