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Finding the Fourth Proportional to 351,345.86, 484,857.17 and 190,200.78

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Solution

The fourth proportional to 351,345.86, 484,857.17 and 190,200.78 is: 262,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,345.86 : 484,857.17 = 190,200.78 : x
  2. Step 2: Convert to fraction form
    351,345.86/484,857.17 = 190,200.78/x
  3. Step 3: Cross multiply
    351,345.86x = 484,857.17 × 190,200.78
  4. Step 4: Simplify right side
    351,345.86x = 92,220,211,922.59
  5. Step 5: Solve for x
    x = 92,220,211,922.59/351,345.86
  6. Step 6: Final answer
    x = 262,477.02

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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.