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Finding the Fourth Proportional to 576,654.26, 795,779.69 and 318,548.93

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Solution

The fourth proportional to 576,654.26, 795,779.69 and 318,548.93 is: 439,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,654.26 : 795,779.69 = 318,548.93 : x
  2. Step 2: Convert to fraction form
    576,654.26/795,779.69 = 318,548.93/x
  3. Step 3: Cross multiply
    576,654.26x = 795,779.69 × 318,548.93
  4. Step 4: Simplify right side
    576,654.26x = 253,494,763,193.59
  5. Step 5: Solve for x
    x = 253,494,763,193.59/576,654.26
  6. Step 6: Final answer
    x = 439,595.76

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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.