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Finding the Fourth Proportional to 503,466.80, 755,020.31 and 166,445.24

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Solution

The fourth proportional to 503,466.80, 755,020.31 and 166,445.24 is: 249,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,466.80 : 755,020.31 = 166,445.24 : x
  2. Step 2: Convert to fraction form
    503,466.80/755,020.31 = 166,445.24/x
  3. Step 3: Cross multiply
    503,466.80x = 755,020.31 × 166,445.24
  4. Step 4: Simplify right side
    503,466.80x = 125,669,532,095.50
  5. Step 5: Solve for x
    x = 125,669,532,095.50/503,466.80
  6. Step 6: Final answer
    x = 249,608.38

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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.