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Finding the Fourth Proportional to 576,284.60, 795,265.58 and 318,163.64

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Solution

The fourth proportional to 576,284.60, 795,265.58 and 318,163.64 is: 439,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,284.60 : 795,265.58 = 318,163.64 : x
  2. Step 2: Convert to fraction form
    576,284.60/795,265.58 = 318,163.64/x
  3. Step 3: Cross multiply
    576,284.60x = 795,265.58 × 318,163.64
  4. Step 4: Simplify right side
    576,284.60x = 253,024,591,699.51
  5. Step 5: Solve for x
    x = 253,024,591,699.51/576,284.60
  6. Step 6: Final answer
    x = 439,061.87

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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.