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Finding the Fourth Proportional to 340,704.30, 511,056.45 and 104,046.60

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Solution

The fourth proportional to 340,704.30, 511,056.45 and 104,046.60 is: 156,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,704.30 : 511,056.45 = 104,046.60 : x
  2. Step 2: Convert to fraction form
    340,704.30/511,056.45 = 104,046.60/x
  3. Step 3: Cross multiply
    340,704.30x = 511,056.45 × 104,046.60
  4. Step 4: Simplify right side
    340,704.30x = 53,173,686,030.57
  5. Step 5: Solve for x
    x = 53,173,686,030.57/340,704.30
  6. Step 6: Final answer
    x = 156,069.90

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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.