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Finding the Fourth Proportional to 453,956.40, 680,934.60 and 294,524.10

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Solution

The fourth proportional to 453,956.40, 680,934.60 and 294,524.10 is: 441,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,956.40 : 680,934.60 = 294,524.10 : x
  2. Step 2: Convert to fraction form
    453,956.40/680,934.60 = 294,524.10/x
  3. Step 3: Cross multiply
    453,956.40x = 680,934.60 × 294,524.10
  4. Step 4: Simplify right side
    453,956.40x = 200,551,650,223.86
  5. Step 5: Solve for x
    x = 200,551,650,223.86/453,956.40
  6. Step 6: Final answer
    x = 441,786.15

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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.