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Finding the Fourth Proportional to 618,384.30, 927,576.45 and 512,096.10

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Solution

The fourth proportional to 618,384.30, 927,576.45 and 512,096.10 is: 768,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,384.30 : 927,576.45 = 512,096.10 : x
  2. Step 2: Convert to fraction form
    618,384.30/927,576.45 = 512,096.10/x
  3. Step 3: Cross multiply
    618,384.30x = 927,576.45 × 512,096.10
  4. Step 4: Simplify right side
    618,384.30x = 475,008,282,496.85
  5. Step 5: Solve for x
    x = 475,008,282,496.85/618,384.30
  6. Step 6: Final answer
    x = 768,144.15

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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.