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Finding the Fourth Proportional to 332,859.80, 498,675.30 and 310,741.40

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Solution

The fourth proportional to 332,859.80, 498,675.30 and 310,741.40 is: 465,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,859.80 : 498,675.30 = 310,741.40 : x
  2. Step 2: Convert to fraction form
    332,859.80/498,675.30 = 310,741.40/x
  3. Step 3: Cross multiply
    332,859.80x = 498,675.30 × 310,741.40
  4. Step 4: Simplify right side
    332,859.80x = 154,959,060,867.42
  5. Step 5: Solve for x
    x = 154,959,060,867.42/332,859.80
  6. Step 6: Final answer
    x = 465,538.53

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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.