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Finding the Fourth Proportional to 356,260.92, 534,413.34 and 156,675.30

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Solution

The fourth proportional to 356,260.92, 534,413.34 and 156,675.30 is: 235,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,260.92 : 534,413.34 = 156,675.30 : x
  2. Step 2: Convert to fraction form
    356,260.92/534,413.34 = 156,675.30/x
  3. Step 3: Cross multiply
    356,260.92x = 534,413.34 × 156,675.30
  4. Step 4: Simplify right side
    356,260.92x = 83,729,370,368.50
  5. Step 5: Solve for x
    x = 83,729,370,368.50/356,260.92
  6. Step 6: Final answer
    x = 235,022.61

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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.