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Finding the Fourth Proportional to 297,602.18, 410,693.97 and 161,637.40

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Solution

The fourth proportional to 297,602.18, 410,693.97 and 161,637.40 is: 223,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,602.18 : 410,693.97 = 161,637.40 : x
  2. Step 2: Convert to fraction form
    297,602.18/410,693.97 = 161,637.40/x
  3. Step 3: Cross multiply
    297,602.18x = 410,693.97 × 161,637.40
  4. Step 4: Simplify right side
    297,602.18x = 66,383,505,506.48
  5. Step 5: Solve for x
    x = 66,383,505,506.48/297,602.18
  6. Step 6: Final answer
    x = 223,061.22

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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.