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Finding the Fourth Proportional to 407,882.04, 611,835.12 and 194,672.43

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Solution

The fourth proportional to 407,882.04, 611,835.12 and 194,672.43 is: 292,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,882.04 : 611,835.12 = 194,672.43 : x
  2. Step 2: Convert to fraction form
    407,882.04/611,835.12 = 194,672.43/x
  3. Step 3: Cross multiply
    407,882.04x = 611,835.12 × 194,672.43
  4. Step 4: Simplify right side
    407,882.04x = 119,107,429,569.74
  5. Step 5: Solve for x
    x = 119,107,429,569.74/407,882.04
  6. Step 6: Final answer
    x = 292,014.40

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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.