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Finding the Fourth Proportional to 503,467.30, 755,021.06 and 166,445.74

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Solution

The fourth proportional to 503,467.30, 755,021.06 and 166,445.74 is: 249,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,467.30 : 755,021.06 = 166,445.74 : x
  2. Step 2: Convert to fraction form
    503,467.30/755,021.06 = 166,445.74/x
  3. Step 3: Cross multiply
    503,467.30x = 755,021.06 × 166,445.74
  4. Step 4: Simplify right side
    503,467.30x = 125,670,034,439.95
  5. Step 5: Solve for x
    x = 125,670,034,439.95/503,467.30
  6. Step 6: Final answer
    x = 249,609.13

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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.