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Finding the Fourth Proportional to 264,021.60, 396,032.40 and 97,874.40

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Solution

The fourth proportional to 264,021.60, 396,032.40 and 97,874.40 is: 146,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,021.60 : 396,032.40 = 97,874.40 : x
  2. Step 2: Convert to fraction form
    264,021.60/396,032.40 = 97,874.40/x
  3. Step 3: Cross multiply
    264,021.60x = 396,032.40 × 97,874.40
  4. Step 4: Simplify right side
    264,021.60x = 38,761,433,530.56
  5. Step 5: Solve for x
    x = 38,761,433,530.56/264,021.60
  6. Step 6: Final answer
    x = 146,811.60

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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.