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Finding the Fourth Proportional to 374,548.46, 516,750.27 and 213,289.16

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Solution

The fourth proportional to 374,548.46, 516,750.27 and 213,289.16 is: 294,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,548.46 : 516,750.27 = 213,289.16 : x
  2. Step 2: Convert to fraction form
    374,548.46/516,750.27 = 213,289.16/x
  3. Step 3: Cross multiply
    374,548.46x = 516,750.27 × 213,289.16
  4. Step 4: Simplify right side
    374,548.46x = 110,217,231,018.07
  5. Step 5: Solve for x
    x = 110,217,231,018.07/374,548.46
  6. Step 6: Final answer
    x = 294,266.94

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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.