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Finding the Fourth Proportional to 351,628.97, 485,247.51 and 190,484.73

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Solution

The fourth proportional to 351,628.97, 485,247.51 and 190,484.73 is: 262,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,628.97 : 485,247.51 = 190,484.73 : x
  2. Step 2: Convert to fraction form
    351,628.97/485,247.51 = 190,484.73/x
  3. Step 3: Cross multiply
    351,628.97x = 485,247.51 × 190,484.73
  4. Step 4: Simplify right side
    351,628.97x = 92,432,240,925.52
  5. Step 5: Solve for x
    x = 92,432,240,925.52/351,628.97
  6. Step 6: Final answer
    x = 262,868.68

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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.