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Finding the Fourth Proportional to 403,914.40, 605,871.60 and 246,450.40

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Solution

The fourth proportional to 403,914.40, 605,871.60 and 246,450.40 is: 369,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,914.40 : 605,871.60 = 246,450.40 : x
  2. Step 2: Convert to fraction form
    403,914.40/605,871.60 = 246,450.40/x
  3. Step 3: Cross multiply
    403,914.40x = 605,871.60 × 246,450.40
  4. Step 4: Simplify right side
    403,914.40x = 149,317,298,168.64
  5. Step 5: Solve for x
    x = 149,317,298,168.64/403,914.40
  6. Step 6: Final answer
    x = 369,675.60

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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.