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Finding the Fourth Proportional to 503,179.36, 754,768.90 and 344,928.04

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Solution

The fourth proportional to 503,179.36, 754,768.90 and 344,928.04 is: 517,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,179.36 : 754,768.90 = 344,928.04 : x
  2. Step 2: Convert to fraction form
    503,179.36/754,768.90 = 344,928.04/x
  3. Step 3: Cross multiply
    503,179.36x = 754,768.90 × 344,928.04
  4. Step 4: Simplify right side
    503,179.36x = 260,340,957,329.96
  5. Step 5: Solve for x
    x = 260,340,957,329.96/503,179.36
  6. Step 6: Final answer
    x = 517,391.96

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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.