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Finding the Fourth Proportional to 338,339.89, 507,350.87 and 196,225.53

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Solution

The fourth proportional to 338,339.89, 507,350.87 and 196,225.53 is: 294,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,339.89 : 507,350.87 = 196,225.53 : x
  2. Step 2: Convert to fraction form
    338,339.89/507,350.87 = 196,225.53/x
  3. Step 3: Cross multiply
    338,339.89x = 507,350.87 × 196,225.53
  4. Step 4: Simplify right side
    338,339.89x = 99,555,193,361.71
  5. Step 5: Solve for x
    x = 99,555,193,361.71/338,339.89
  6. Step 6: Final answer
    x = 294,246.10

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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.