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Finding the Fourth Proportional to 437,613.68, 603,906.40 and 236,409.68

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Solution

The fourth proportional to 437,613.68, 603,906.40 and 236,409.68 is: 326,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,613.68 : 603,906.40 = 236,409.68 : x
  2. Step 2: Convert to fraction form
    437,613.68/603,906.40 = 236,409.68/x
  3. Step 3: Cross multiply
    437,613.68x = 603,906.40 × 236,409.68
  4. Step 4: Simplify right side
    437,613.68x = 142,769,318,773.95
  5. Step 5: Solve for x
    x = 142,769,318,773.95/437,613.68
  6. Step 6: Final answer
    x = 326,245.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.