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Finding the Fourth Proportional to 576,162.25, 795,104.05 and 318,039.34

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Solution

The fourth proportional to 576,162.25, 795,104.05 and 318,039.34 is: 438,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,162.25 : 795,104.05 = 318,039.34 : x
  2. Step 2: Convert to fraction form
    576,162.25/795,104.05 = 318,039.34/x
  3. Step 3: Cross multiply
    576,162.25x = 795,104.05 × 318,039.34
  4. Step 4: Simplify right side
    576,162.25x = 252,874,369,392.90
  5. Step 5: Solve for x
    x = 252,874,369,392.90/576,162.25
  6. Step 6: Final answer
    x = 438,894.37

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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.