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Finding the Fourth Proportional to 336,046.20, 504,069.30 and 315,310.20

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Solution

The fourth proportional to 336,046.20, 504,069.30 and 315,310.20 is: 472,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,046.20 : 504,069.30 = 315,310.20 : x
  2. Step 2: Convert to fraction form
    336,046.20/504,069.30 = 315,310.20/x
  3. Step 3: Cross multiply
    336,046.20x = 504,069.30 × 315,310.20
  4. Step 4: Simplify right side
    336,046.20x = 158,938,191,796.86
  5. Step 5: Solve for x
    x = 158,938,191,796.86/336,046.20
  6. Step 6: Final answer
    x = 472,965.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.