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Finding the Fourth Proportional to 351,259.65, 484,739.64 and 190,114.74

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Solution

The fourth proportional to 351,259.65, 484,739.64 and 190,114.74 is: 262,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,259.65 : 484,739.64 = 190,114.74 : x
  2. Step 2: Convert to fraction form
    351,259.65/484,739.64 = 190,114.74/x
  3. Step 3: Cross multiply
    351,259.65x = 484,739.64 × 190,114.74
  4. Step 4: Simplify right side
    351,259.65x = 92,156,150,626.29
  5. Step 5: Solve for x
    x = 92,156,150,626.29/351,259.65
  6. Step 6: Final answer
    x = 262,359.06

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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.