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Finding the Fourth Proportional to 297,334.19, 410,321.37 and 161,368.10

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Solution

The fourth proportional to 297,334.19, 410,321.37 and 161,368.10 is: 222,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,334.19 : 410,321.37 = 161,368.10 : x
  2. Step 2: Convert to fraction form
    297,334.19/410,321.37 = 161,368.10/x
  3. Step 3: Cross multiply
    297,334.19x = 410,321.37 × 161,368.10
  4. Step 4: Simplify right side
    297,334.19x = 66,212,777,814.69
  5. Step 5: Solve for x
    x = 66,212,777,814.69/297,334.19
  6. Step 6: Final answer
    x = 222,688.08

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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.