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Finding the Fourth Proportional to 405,613.46, 559,816.81 and 244,468.69

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Solution

The fourth proportional to 405,613.46, 559,816.81 and 244,468.69 is: 337,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,613.46 : 559,816.81 = 244,468.69 : x
  2. Step 2: Convert to fraction form
    405,613.46/559,816.81 = 244,468.69/x
  3. Step 3: Cross multiply
    405,613.46x = 559,816.81 × 244,468.69
  4. Step 4: Simplify right side
    405,613.46x = 136,857,682,180.68
  5. Step 5: Solve for x
    x = 136,857,682,180.68/405,613.46
  6. Step 6: Final answer
    x = 337,409.12

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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.