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Finding the Fourth Proportional to 295,297.64, 407,505.06 and 161,162.60

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Solution

The fourth proportional to 295,297.64, 407,505.06 and 161,162.60 is: 222,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,297.64 : 407,505.06 = 161,162.60 : x
  2. Step 2: Convert to fraction form
    295,297.64/407,505.06 = 161,162.60/x
  3. Step 3: Cross multiply
    295,297.64x = 407,505.06 × 161,162.60
  4. Step 4: Simplify right side
    295,297.64x = 65,674,574,982.76
  5. Step 5: Solve for x
    x = 65,674,574,982.76/295,297.64
  6. Step 6: Final answer
    x = 222,401.29

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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.