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Finding the Fourth Proportional to 383,003.46, 528,520.41 and 230,048.10

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Solution

The fourth proportional to 383,003.46, 528,520.41 and 230,048.10 is: 317,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,003.46 : 528,520.41 = 230,048.10 : x
  2. Step 2: Convert to fraction form
    383,003.46/528,520.41 = 230,048.10/x
  3. Step 3: Cross multiply
    383,003.46x = 528,520.41 × 230,048.10
  4. Step 4: Simplify right side
    383,003.46x = 121,585,114,064.24
  5. Step 5: Solve for x
    x = 121,585,114,064.24/383,003.46
  6. Step 6: Final answer
    x = 317,451.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.