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Finding the Fourth Proportional to 602,679.12, 903,668.64 and 228,498

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Solution

The fourth proportional to 602,679.12, 903,668.64 and 228,498 is: 342,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,679.12 : 903,668.64 = 228,498 : x
  2. Step 2: Convert to fraction form
    602,679.12/903,668.64 = 228,498/x
  3. Step 3: Cross multiply
    602,679.12x = 903,668.64 × 228,498
  4. Step 4: Simplify right side
    602,679.12x = 206,486,476,902.72
  5. Step 5: Solve for x
    x = 206,486,476,902.72/602,679.12
  6. Step 6: Final answer
    x = 342,614.29

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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.