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Finding the Fourth Proportional to 439,518.49, 657,479.22 and 332,103.98

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Solution

The fourth proportional to 439,518.49, 657,479.22 and 332,103.98 is: 496,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,518.49 : 657,479.22 = 332,103.98 : x
  2. Step 2: Convert to fraction form
    439,518.49/657,479.22 = 332,103.98/x
  3. Step 3: Cross multiply
    439,518.49x = 657,479.22 × 332,103.98
  4. Step 4: Simplify right side
    439,518.49x = 218,351,466,127.60
  5. Step 5: Solve for x
    x = 218,351,466,127.60/439,518.49
  6. Step 6: Final answer
    x = 496,797.00

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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.