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Finding the Fourth Proportional to 452,491.79, 677,704.32 and 216,000.54

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Solution

The fourth proportional to 452,491.79, 677,704.32 and 216,000.54 is: 323,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,491.79 : 677,704.32 = 216,000.54 : x
  2. Step 2: Convert to fraction form
    452,491.79/677,704.32 = 216,000.54/x
  3. Step 3: Cross multiply
    452,491.79x = 677,704.32 × 216,000.54
  4. Step 4: Simplify right side
    452,491.79x = 146,384,499,080.33
  5. Step 5: Solve for x
    x = 146,384,499,080.33/452,491.79
  6. Step 6: Final answer
    x = 323,507.53

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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.