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Finding the Fourth Proportional to 246,863.24, 370,307.80 and 78,397

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Solution

The fourth proportional to 246,863.24, 370,307.80 and 78,397 is: 117,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,863.24 : 370,307.80 = 78,397 : x
  2. Step 2: Convert to fraction form
    246,863.24/370,307.80 = 78,397/x
  3. Step 3: Cross multiply
    246,863.24x = 370,307.80 × 78,397
  4. Step 4: Simplify right side
    246,863.24x = 29,031,020,596.60
  5. Step 5: Solve for x
    x = 29,031,020,596.60/246,863.24
  6. Step 6: Final answer
    x = 117,599.61

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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.