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Finding the Fourth Proportional to 264,552.40, 396,828.60 and 140,136.40

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Solution

The fourth proportional to 264,552.40, 396,828.60 and 140,136.40 is: 210,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,552.40 : 396,828.60 = 140,136.40 : x
  2. Step 2: Convert to fraction form
    264,552.40/396,828.60 = 140,136.40/x
  3. Step 3: Cross multiply
    264,552.40x = 396,828.60 × 140,136.40
  4. Step 4: Simplify right side
    264,552.40x = 55,610,131,421.04
  5. Step 5: Solve for x
    x = 55,610,131,421.04/264,552.40
  6. Step 6: Final answer
    x = 210,204.60

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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.