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Finding the Fourth Proportional to 576,215.54, 795,156.60 and 318,086.94

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Solution

The fourth proportional to 576,215.54, 795,156.60 and 318,086.94 is: 438,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,215.54 : 795,156.60 = 318,086.94 : x
  2. Step 2: Convert to fraction form
    576,215.54/795,156.60 = 318,086.94/x
  3. Step 3: Cross multiply
    576,215.54x = 795,156.60 × 318,086.94
  4. Step 4: Simplify right side
    576,215.54x = 252,928,929,714.80
  5. Step 5: Solve for x
    x = 252,928,929,714.80/576,215.54
  6. Step 6: Final answer
    x = 438,948.47

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1.5x scale

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.