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Finding the Fourth Proportional to 295,288.40, 442,932.60 and 108,275.60

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Solution

The fourth proportional to 295,288.40, 442,932.60 and 108,275.60 is: 162,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,288.40 : 442,932.60 = 108,275.60 : x
  2. Step 2: Convert to fraction form
    295,288.40/442,932.60 = 108,275.60/x
  3. Step 3: Cross multiply
    295,288.40x = 442,932.60 × 108,275.60
  4. Step 4: Simplify right side
    295,288.40x = 47,958,793,024.56
  5. Step 5: Solve for x
    x = 47,958,793,024.56/295,288.40
  6. Step 6: Final answer
    x = 162,413.40

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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.