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Finding the Fourth Proportional to 332,611.80, 498,303.30 and 310,493.40

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Solution

The fourth proportional to 332,611.80, 498,303.30 and 310,493.40 is: 465,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,611.80 : 498,303.30 = 310,493.40 : x
  2. Step 2: Convert to fraction form
    332,611.80/498,303.30 = 310,493.40/x
  3. Step 3: Cross multiply
    332,611.80x = 498,303.30 × 310,493.40
  4. Step 4: Simplify right side
    332,611.80x = 154,719,885,848.22
  5. Step 5: Solve for x
    x = 154,719,885,848.22/332,611.80
  6. Step 6: Final answer
    x = 465,166.56

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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.