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Finding the Fourth Proportional to 374,576.74, 517,056.46 and 245,523.52

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Solution

The fourth proportional to 374,576.74, 517,056.46 and 245,523.52 is: 338,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,576.74 : 517,056.46 = 245,523.52 : x
  2. Step 2: Convert to fraction form
    374,576.74/517,056.46 = 245,523.52/x
  3. Step 3: Cross multiply
    374,576.74x = 517,056.46 × 245,523.52
  4. Step 4: Simplify right side
    374,576.74x = 126,949,522,097.94
  5. Step 5: Solve for x
    x = 126,949,522,097.94/374,576.74
  6. Step 6: Final answer
    x = 338,914.59

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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.