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Finding the Fourth Proportional to 576,675.38, 795,808.80 and 318,570.03

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Solution

The fourth proportional to 576,675.38, 795,808.80 and 318,570.03 is: 439,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,675.38 : 795,808.80 = 318,570.03 : x
  2. Step 2: Convert to fraction form
    576,675.38/795,808.80 = 318,570.03/x
  3. Step 3: Cross multiply
    576,675.38x = 795,808.80 × 318,570.03
  4. Step 4: Simplify right side
    576,675.38x = 253,520,833,290.26
  5. Step 5: Solve for x
    x = 253,520,833,290.26/576,675.38
  6. Step 6: Final answer
    x = 439,624.86

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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.