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Finding the Fourth Proportional to 364,283.68, 543,576.18 and 326,458.24

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Solution

The fourth proportional to 364,283.68, 543,576.18 and 326,458.24 is: 487,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,283.68 : 543,576.18 = 326,458.24 : x
  2. Step 2: Convert to fraction form
    364,283.68/543,576.18 = 326,458.24/x
  3. Step 3: Cross multiply
    364,283.68x = 543,576.18 × 326,458.24
  4. Step 4: Simplify right side
    364,283.68x = 177,454,923,028.72
  5. Step 5: Solve for x
    x = 177,454,923,028.72/364,283.68
  6. Step 6: Final answer
    x = 487,133.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.