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Finding the Fourth Proportional to 439,528.33, 657,493.96 and 332,113.82

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Solution

The fourth proportional to 439,528.33, 657,493.96 and 332,113.82 is: 496,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,528.33 : 657,493.96 = 332,113.82 : x
  2. Step 2: Convert to fraction form
    439,528.33/657,493.96 = 332,113.82/x
  3. Step 3: Cross multiply
    439,528.33x = 657,493.96 × 332,113.82
  4. Step 4: Simplify right side
    439,528.33x = 218,362,830,885.89
  5. Step 5: Solve for x
    x = 218,362,830,885.89/439,528.33
  6. Step 6: Final answer
    x = 496,811.74

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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.