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Finding the Fourth Proportional to 404,335.80, 605,847.60 and 254,307.60

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Solution

The fourth proportional to 404,335.80, 605,847.60 and 254,307.60 is: 381,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,335.80 : 605,847.60 = 254,307.60 : x
  2. Step 2: Convert to fraction form
    404,335.80/605,847.60 = 254,307.60/x
  3. Step 3: Cross multiply
    404,335.80x = 605,847.60 × 254,307.60
  4. Step 4: Simplify right side
    404,335.80x = 154,071,649,121.76
  5. Step 5: Solve for x
    x = 154,071,649,121.76/404,335.80
  6. Step 6: Final answer
    x = 381,048.74

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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.