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Finding the Fourth Proportional to 545,596.49, 818,516.84 and 166,550.91

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Solution

The fourth proportional to 545,596.49, 818,516.84 and 166,550.91 is: 249,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,596.49 : 818,516.84 = 166,550.91 : x
  2. Step 2: Convert to fraction form
    545,596.49/818,516.84 = 166,550.91/x
  3. Step 3: Cross multiply
    545,596.49x = 818,516.84 × 166,550.91
  4. Step 4: Simplify right side
    545,596.49x = 136,324,723,719.57
  5. Step 5: Solve for x
    x = 136,324,723,719.57/545,596.49
  6. Step 6: Final answer
    x = 249,863.64

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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.