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Finding the Fourth Proportional to 633,702.50, 874,367.58 and 361,683.44

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Solution

The fourth proportional to 633,702.50, 874,367.58 and 361,683.44 is: 499,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,702.50 : 874,367.58 = 361,683.44 : x
  2. Step 2: Convert to fraction form
    633,702.50/874,367.58 = 361,683.44/x
  3. Step 3: Cross multiply
    633,702.50x = 874,367.58 × 361,683.44
  4. Step 4: Simplify right side
    633,702.50x = 316,244,274,158.88
  5. Step 5: Solve for x
    x = 316,244,274,158.88/633,702.50
  6. Step 6: Final answer
    x = 499,042.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.