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Finding the Fourth Proportional to 360,095.86, 496,889.97 and 198,941.30

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Solution

The fourth proportional to 360,095.86, 496,889.97 and 198,941.30 is: 274,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,095.86 : 496,889.97 = 198,941.30 : x
  2. Step 2: Convert to fraction form
    360,095.86/496,889.97 = 198,941.30/x
  3. Step 3: Cross multiply
    360,095.86x = 496,889.97 × 198,941.30
  4. Step 4: Simplify right side
    360,095.86x = 98,851,936,588.76
  5. Step 5: Solve for x
    x = 98,851,936,588.76/360,095.86
  6. Step 6: Final answer
    x = 274,515.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.