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Finding the Fourth Proportional to 296,793.12, 409,584.96 and 169,466.40

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Solution

The fourth proportional to 296,793.12, 409,584.96 and 169,466.40 is: 233,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,793.12 : 409,584.96 = 169,466.40 : x
  2. Step 2: Convert to fraction form
    296,793.12/409,584.96 = 169,466.40/x
  3. Step 3: Cross multiply
    296,793.12x = 409,584.96 × 169,466.40
  4. Step 4: Simplify right side
    296,793.12x = 69,410,888,665.34
  5. Step 5: Solve for x
    x = 69,410,888,665.34/296,793.12
  6. Step 6: Final answer
    x = 233,869.60

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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.