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Finding the Fourth Proportional to 410,650.40, 615,975.60 and 336,000.80

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Solution

The fourth proportional to 410,650.40, 615,975.60 and 336,000.80 is: 504,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,650.40 : 615,975.60 = 336,000.80 : x
  2. Step 2: Convert to fraction form
    410,650.40/615,975.60 = 336,000.80/x
  3. Step 3: Cross multiply
    410,650.40x = 615,975.60 × 336,000.80
  4. Step 4: Simplify right side
    410,650.40x = 206,968,294,380.48
  5. Step 5: Solve for x
    x = 206,968,294,380.48/410,650.40
  6. Step 6: Final answer
    x = 504,001.20

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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.