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Finding the Fourth Proportional to 264,220.40, 396,330.60 and 254,889.20

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Solution

The fourth proportional to 264,220.40, 396,330.60 and 254,889.20 is: 382,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,220.40 : 396,330.60 = 254,889.20 : x
  2. Step 2: Convert to fraction form
    264,220.40/396,330.60 = 254,889.20/x
  3. Step 3: Cross multiply
    264,220.40x = 396,330.60 × 254,889.20
  4. Step 4: Simplify right side
    264,220.40x = 101,020,389,569.52
  5. Step 5: Solve for x
    x = 101,020,389,569.52/264,220.40
  6. Step 6: Final answer
    x = 382,333.80

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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.