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Finding the Fourth Proportional to 336,039.70, 504,059.55 and 310,378.90

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Solution

The fourth proportional to 336,039.70, 504,059.55 and 310,378.90 is: 465,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,039.70 : 504,059.55 = 310,378.90 : x
  2. Step 2: Convert to fraction form
    336,039.70/504,059.55 = 310,378.90/x
  3. Step 3: Cross multiply
    336,039.70x = 504,059.55 × 310,378.90
  4. Step 4: Simplify right side
    336,039.70x = 156,449,448,663.50
  5. Step 5: Solve for x
    x = 156,449,448,663.50/336,039.70
  6. Step 6: Final answer
    x = 465,568.35

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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.