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Finding the Fourth Proportional to 576,241.41, 795,225.92 and 318,117.77

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Solution

The fourth proportional to 576,241.41, 795,225.92 and 318,117.77 is: 439,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,241.41 : 795,225.92 = 318,117.77 : x
  2. Step 2: Convert to fraction form
    576,241.41/795,225.92 = 318,117.77/x
  3. Step 3: Cross multiply
    576,241.41x = 795,225.92 × 318,117.77
  4. Step 4: Simplify right side
    576,241.41x = 252,975,490,749.88
  5. Step 5: Solve for x
    x = 252,975,490,749.88/576,241.41
  6. Step 6: Final answer
    x = 439,009.57

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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.