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Finding the Fourth Proportional to 374,472.86, 516,775.68 and 213,325.39

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Solution

The fourth proportional to 374,472.86, 516,775.68 and 213,325.39 is: 294,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,472.86 : 516,775.68 = 213,325.39 : x
  2. Step 2: Convert to fraction form
    374,472.86/516,775.68 = 213,325.39/x
  3. Step 3: Cross multiply
    374,472.86x = 516,775.68 × 213,325.39
  4. Step 4: Simplify right side
    374,472.86x = 110,241,372,186.58
  5. Step 5: Solve for x
    x = 110,241,372,186.58/374,472.86
  6. Step 6: Final answer
    x = 294,390.82

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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.