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Finding the Fourth Proportional to 374,344.60, 516,595.61 and 213,214.65

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Solution

The fourth proportional to 374,344.60, 516,595.61 and 213,214.65 is: 294,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,344.60 : 516,595.61 = 213,214.65 : x
  2. Step 2: Convert to fraction form
    374,344.60/516,595.61 = 213,214.65/x
  3. Step 3: Cross multiply
    374,344.60x = 516,595.61 × 213,214.65
  4. Step 4: Simplify right side
    374,344.60x = 110,145,752,177.69
  5. Step 5: Solve for x
    x = 110,145,752,177.69/374,344.60
  6. Step 6: Final answer
    x = 294,236.25

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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.