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Finding the Fourth Proportional to 516,199.74, 774,261.34 and 216,668.22

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Solution

The fourth proportional to 516,199.74, 774,261.34 and 216,668.22 is: 324,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,199.74 : 774,261.34 = 216,668.22 : x
  2. Step 2: Convert to fraction form
    516,199.74/774,261.34 = 216,668.22/x
  3. Step 3: Cross multiply
    516,199.74x = 774,261.34 × 216,668.22
  4. Step 4: Simplify right side
    516,199.74x = 167,757,826,352.62
  5. Step 5: Solve for x
    x = 167,757,826,352.62/516,199.74
  6. Step 6: Final answer
    x = 324,986.27

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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.