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Finding the Fourth Proportional to 437,520.96, 658,644.98 and 393,528.24

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Solution

The fourth proportional to 437,520.96, 658,644.98 and 393,528.24 is: 592,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,520.96 : 658,644.98 = 393,528.24 : x
  2. Step 2: Convert to fraction form
    437,520.96/658,644.98 = 393,528.24/x
  3. Step 3: Cross multiply
    437,520.96x = 658,644.98 × 393,528.24
  4. Step 4: Simplify right side
    437,520.96x = 259,195,397,796.59
  5. Step 5: Solve for x
    x = 259,195,397,796.59/437,520.96
  6. Step 6: Final answer
    x = 592,418.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.