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Finding the Fourth Proportional to 383,204.52, 528,549.30 and 262,350.90

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Solution

The fourth proportional to 383,204.52, 528,549.30 and 262,350.90 is: 361,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,204.52 : 528,549.30 = 262,350.90 : x
  2. Step 2: Convert to fraction form
    383,204.52/528,549.30 = 262,350.90/x
  3. Step 3: Cross multiply
    383,204.52x = 528,549.30 × 262,350.90
  4. Step 4: Simplify right side
    383,204.52x = 138,665,384,549.37
  5. Step 5: Solve for x
    x = 138,665,384,549.37/383,204.52
  6. Step 6: Final answer
    x = 361,857.38

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1.5x scale

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.