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Finding the Fourth Proportional to 479,405.04, 718,686.32 and 195,334.46

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Solution

The fourth proportional to 479,405.04, 718,686.32 and 195,334.46 is: 292,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,405.04 : 718,686.32 = 195,334.46 : x
  2. Step 2: Convert to fraction form
    479,405.04/718,686.32 = 195,334.46/x
  3. Step 3: Cross multiply
    479,405.04x = 718,686.32 × 195,334.46
  4. Step 4: Simplify right side
    479,405.04x = 140,384,204,226.59
  5. Step 5: Solve for x
    x = 140,384,204,226.59/479,405.04
  6. Step 6: Final answer
    x = 292,830.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.