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Finding the Fourth Proportional to 523,828.80, 784,576.80 and 453,844.80

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Solution

The fourth proportional to 523,828.80, 784,576.80 and 453,844.80 is: 679,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,828.80 : 784,576.80 = 453,844.80 : x
  2. Step 2: Convert to fraction form
    523,828.80/784,576.80 = 453,844.80/x
  3. Step 3: Cross multiply
    523,828.80x = 784,576.80 × 453,844.80
  4. Step 4: Simplify right side
    523,828.80x = 356,076,100,880.64
  5. Step 5: Solve for x
    x = 356,076,100,880.64/523,828.80
  6. Step 6: Final answer
    x = 679,756.63

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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.