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Finding the Fourth Proportional to 492,992.32, 739,573.53 and 156,027.46

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Solution

The fourth proportional to 492,992.32, 739,573.53 and 156,027.46 is: 234,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,992.32 : 739,573.53 = 156,027.46 : x
  2. Step 2: Convert to fraction form
    492,992.32/739,573.53 = 156,027.46/x
  3. Step 3: Cross multiply
    492,992.32x = 739,573.53 × 156,027.46
  4. Step 4: Simplify right side
    492,992.32x = 115,393,779,369.13
  5. Step 5: Solve for x
    x = 115,393,779,369.13/492,992.32
  6. Step 6: Final answer
    x = 234,068.11

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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.