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Finding the Fourth Proportional to 374,548.71, 516,750.62 and 213,289.41

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Solution

The fourth proportional to 374,548.71, 516,750.62 and 213,289.41 is: 294,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,548.71 : 516,750.62 = 213,289.41 : x
  2. Step 2: Convert to fraction form
    374,548.71/516,750.62 = 213,289.41/x
  3. Step 3: Cross multiply
    374,548.71x = 516,750.62 × 213,289.41
  4. Step 4: Simplify right side
    374,548.71x = 110,217,433,790.49
  5. Step 5: Solve for x
    x = 110,217,433,790.49/374,548.71
  6. Step 6: Final answer
    x = 294,267.29

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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.