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Finding the Fourth Proportional to 452,585.42, 678,803.49 and 148,983.55

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Solution

The fourth proportional to 452,585.42, 678,803.49 and 148,983.55 is: 223,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,585.42 : 678,803.49 = 148,983.55 : x
  2. Step 2: Convert to fraction form
    452,585.42/678,803.49 = 148,983.55/x
  3. Step 3: Cross multiply
    452,585.42x = 678,803.49 × 148,983.55
  4. Step 4: Simplify right side
    452,585.42x = 101,130,555,813.85
  5. Step 5: Solve for x
    x = 101,130,555,813.85/452,585.42
  6. Step 6: Final answer
    x = 223,450.76

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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.