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Finding the Fourth Proportional to 576,217.08, 795,158.73 and 318,088.48

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Solution

The fourth proportional to 576,217.08, 795,158.73 and 318,088.48 is: 438,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,217.08 : 795,158.73 = 318,088.48 : x
  2. Step 2: Convert to fraction form
    576,217.08/795,158.73 = 318,088.48/x
  3. Step 3: Cross multiply
    576,217.08x = 795,158.73 × 318,088.48
  4. Step 4: Simplify right side
    576,217.08x = 252,930,831,784.43
  5. Step 5: Solve for x
    x = 252,930,831,784.43/576,217.08
  6. Step 6: Final answer
    x = 438,950.60

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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.