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Finding the Fourth Proportional to 351,390.88, 484,919.69 and 190,246.04

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Solution

The fourth proportional to 351,390.88, 484,919.69 and 190,246.04 is: 262,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,390.88 : 484,919.69 = 190,246.04 : x
  2. Step 2: Convert to fraction form
    351,390.88/484,919.69 = 190,246.04/x
  3. Step 3: Cross multiply
    351,390.88x = 484,919.69 × 190,246.04
  4. Step 4: Simplify right side
    351,390.88x = 92,254,050,740.53
  5. Step 5: Solve for x
    x = 92,254,050,740.53/351,390.88
  6. Step 6: Final answer
    x = 262,539.68

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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.