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Finding the Fourth Proportional to 454,974.40, 682,461.60 and 403,798.60

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Solution

The fourth proportional to 454,974.40, 682,461.60 and 403,798.60 is: 605,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,974.40 : 682,461.60 = 403,798.60 : x
  2. Step 2: Convert to fraction form
    454,974.40/682,461.60 = 403,798.60/x
  3. Step 3: Cross multiply
    454,974.40x = 682,461.60 × 403,798.60
  4. Step 4: Simplify right side
    454,974.40x = 275,577,038,633.76
  5. Step 5: Solve for x
    x = 275,577,038,633.76/454,974.40
  6. Step 6: Final answer
    x = 605,697.90

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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.