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Finding the Fourth Proportional to 266,410.12, 397,671.80 and 232,779.52

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Solution

The fourth proportional to 266,410.12, 397,671.80 and 232,779.52 is: 347,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,410.12 : 397,671.80 = 232,779.52 : x
  2. Step 2: Convert to fraction form
    266,410.12/397,671.80 = 232,779.52/x
  3. Step 3: Cross multiply
    266,410.12x = 397,671.80 × 232,779.52
  4. Step 4: Simplify right side
    266,410.12x = 92,569,850,721.54
  5. Step 5: Solve for x
    x = 92,569,850,721.54/266,410.12
  6. Step 6: Final answer
    x = 347,471.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.