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Finding the Fourth Proportional to 374,390.44, 516,658.68 and 213,260.36

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Solution

The fourth proportional to 374,390.44, 516,658.68 and 213,260.36 is: 294,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,390.44 : 516,658.68 = 213,260.36 : x
  2. Step 2: Convert to fraction form
    374,390.44/516,658.68 = 213,260.36/x
  3. Step 3: Cross multiply
    374,390.44x = 516,658.68 × 213,260.36
  4. Step 4: Simplify right side
    374,390.44x = 110,182,816,093.93
  5. Step 5: Solve for x
    x = 110,182,816,093.93/374,390.44
  6. Step 6: Final answer
    x = 294,299.22

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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.