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Finding the Fourth Proportional to 297,397.37, 410,397.23 and 161,428.34

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Solution

The fourth proportional to 297,397.37, 410,397.23 and 161,428.34 is: 222,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,397.37 : 410,397.23 = 161,428.34 : x
  2. Step 2: Convert to fraction form
    297,397.37/410,397.23 = 161,428.34/x
  3. Step 3: Cross multiply
    297,397.37x = 410,397.23 × 161,428.34
  4. Step 4: Simplify right side
    297,397.37x = 66,249,745,009.06
  5. Step 5: Solve for x
    x = 66,249,745,009.06/297,397.37
  6. Step 6: Final answer
    x = 222,765.06

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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.