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Finding the Fourth Proportional to 374,467.72, 516,765.60 and 204,701.80

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Solution

The fourth proportional to 374,467.72, 516,765.60 and 204,701.80 is: 282,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,467.72 : 516,765.60 = 204,701.80 : x
  2. Step 2: Convert to fraction form
    374,467.72/516,765.60 = 204,701.80/x
  3. Step 3: Cross multiply
    374,467.72x = 516,765.60 × 204,701.80
  4. Step 4: Simplify right side
    374,467.72x = 105,782,848,498.08
  5. Step 5: Solve for x
    x = 105,782,848,498.08/374,467.72
  6. Step 6: Final answer
    x = 282,488.56

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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.