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Finding the Fourth Proportional to 298,725.40, 446,792.10 and 267,362.20

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Solution

The fourth proportional to 298,725.40, 446,792.10 and 267,362.20 is: 399,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,725.40 : 446,792.10 = 267,362.20 : x
  2. Step 2: Convert to fraction form
    298,725.40/446,792.10 = 267,362.20/x
  3. Step 3: Cross multiply
    298,725.40x = 446,792.10 × 267,362.20
  4. Step 4: Simplify right side
    298,725.40x = 119,455,318,798.62
  5. Step 5: Solve for x
    x = 119,455,318,798.62/298,725.40
  6. Step 6: Final answer
    x = 399,883.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.