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Finding the Fourth Proportional to 360,816.86, 541,214.10 and 171,413.60

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Solution

The fourth proportional to 360,816.86, 541,214.10 and 171,413.60 is: 257,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,816.86 : 541,214.10 = 171,413.60 : x
  2. Step 2: Convert to fraction form
    360,816.86/541,214.10 = 171,413.60/x
  3. Step 3: Cross multiply
    360,816.86x = 541,214.10 × 171,413.60
  4. Step 4: Simplify right side
    360,816.86x = 92,771,457,251.76
  5. Step 5: Solve for x
    x = 92,771,457,251.76/360,816.86
  6. Step 6: Final answer
    x = 257,115.08

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1.5x scale

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.