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Finding the Fourth Proportional to 374,476.56, 516,651.48 and 213,217.56

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Solution

The fourth proportional to 374,476.56, 516,651.48 and 213,217.56 is: 294,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,476.56 : 516,651.48 = 213,217.56 : x
  2. Step 2: Convert to fraction form
    374,476.56/516,651.48 = 213,217.56/x
  3. Step 3: Cross multiply
    374,476.56x = 516,651.48 × 213,217.56
  4. Step 4: Simplify right side
    374,476.56x = 110,159,167,935.99
  5. Step 5: Solve for x
    x = 110,159,167,935.99/374,476.56
  6. Step 6: Final answer
    x = 294,168.39

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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.