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Finding the Fourth Proportional to 576,130.22, 795,059.77 and 318,007.25

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Solution

The fourth proportional to 576,130.22, 795,059.77 and 318,007.25 is: 438,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,130.22 : 795,059.77 = 318,007.25 : x
  2. Step 2: Convert to fraction form
    576,130.22/795,059.77 = 318,007.25/x
  3. Step 3: Cross multiply
    576,130.22x = 795,059.77 × 318,007.25
  4. Step 4: Simplify right side
    576,130.22x = 252,834,773,875.72
  5. Step 5: Solve for x
    x = 252,834,773,875.72/576,130.22
  6. Step 6: Final answer
    x = 438,850.05

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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.