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Finding the Fourth Proportional to 479,406.04, 718,687.82 and 195,335.46

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Solution

The fourth proportional to 479,406.04, 718,687.82 and 195,335.46 is: 292,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,406.04 : 718,687.82 = 195,335.46 : x
  2. Step 2: Convert to fraction form
    479,406.04/718,687.82 = 195,335.46/x
  3. Step 3: Cross multiply
    479,406.04x = 718,687.82 × 195,335.46
  4. Step 4: Simplify right side
    479,406.04x = 140,385,215,916.10
  5. Step 5: Solve for x
    x = 140,385,215,916.10/479,406.04
  6. Step 6: Final answer
    x = 292,831.55

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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.