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Finding the Fourth Proportional to 602,930.94, 903,214.04 and 349,679.43

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Solution

The fourth proportional to 602,930.94, 903,214.04 and 349,679.43 is: 523,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,930.94 : 903,214.04 = 349,679.43 : x
  2. Step 2: Convert to fraction form
    602,930.94/903,214.04 = 349,679.43/x
  3. Step 3: Cross multiply
    602,930.94x = 903,214.04 × 349,679.43
  4. Step 4: Simplify right side
    602,930.94x = 315,835,370,893.75
  5. Step 5: Solve for x
    x = 315,835,370,893.75/602,930.94
  6. Step 6: Final answer
    x = 523,833.41

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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.