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Finding the Fourth Proportional to 397,573.20, 596,686.20 and 394,462.80

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Solution

The fourth proportional to 397,573.20, 596,686.20 and 394,462.80 is: 592,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,573.20 : 596,686.20 = 394,462.80 : x
  2. Step 2: Convert to fraction form
    397,573.20/596,686.20 = 394,462.80/x
  3. Step 3: Cross multiply
    397,573.20x = 596,686.20 × 394,462.80
  4. Step 4: Simplify right side
    397,573.20x = 235,370,509,173.36
  5. Step 5: Solve for x
    x = 235,370,509,173.36/397,573.20
  6. Step 6: Final answer
    x = 592,018.05

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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.