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Finding the Fourth Proportional to 361,039.93, 498,168.70 and 208,056.67

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Solution

The fourth proportional to 361,039.93, 498,168.70 and 208,056.67 is: 287,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,039.93 : 498,168.70 = 208,056.67 : x
  2. Step 2: Convert to fraction form
    361,039.93/498,168.70 = 208,056.67/x
  3. Step 3: Cross multiply
    361,039.93x = 498,168.70 × 208,056.67
  4. Step 4: Simplify right side
    361,039.93x = 103,647,320,820.23
  5. Step 5: Solve for x
    x = 103,647,320,820.23/361,039.93
  6. Step 6: Final answer
    x = 287,079.94

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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.