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Finding the Fourth Proportional to 612,060.24, 918,017.30 and 162,813.98

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Solution

The fourth proportional to 612,060.24, 918,017.30 and 162,813.98 is: 244,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,060.24 : 918,017.30 = 162,813.98 : x
  2. Step 2: Convert to fraction form
    612,060.24/918,017.30 = 162,813.98/x
  3. Step 3: Cross multiply
    612,060.24x = 918,017.30 × 162,813.98
  4. Step 4: Simplify right side
    612,060.24x = 149,466,050,321.85
  5. Step 5: Solve for x
    x = 149,466,050,321.85/612,060.24
  6. Step 6: Final answer
    x = 244,201.54

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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.