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Finding the Fourth Proportional to 517,181.76, 775,223.46 and 250,576.74

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Solution

The fourth proportional to 517,181.76, 775,223.46 and 250,576.74 is: 375,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,181.76 : 775,223.46 = 250,576.74 : x
  2. Step 2: Convert to fraction form
    517,181.76/775,223.46 = 250,576.74/x
  3. Step 3: Cross multiply
    517,181.76x = 775,223.46 × 250,576.74
  4. Step 4: Simplify right side
    517,181.76x = 194,252,967,378.32
  5. Step 5: Solve for x
    x = 194,252,967,378.32/517,181.76
  6. Step 6: Final answer
    x = 375,599.03

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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.