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Finding the Fourth Proportional to 608,426.45, 839,594.55 and 332,729.90

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Solution

The fourth proportional to 608,426.45, 839,594.55 and 332,729.90 is: 459,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,426.45 : 839,594.55 = 332,729.90 : x
  2. Step 2: Convert to fraction form
    608,426.45/839,594.55 = 332,729.90/x
  3. Step 3: Cross multiply
    608,426.45x = 839,594.55 × 332,729.90
  4. Step 4: Simplify right side
    608,426.45x = 279,358,212,761.03
  5. Step 5: Solve for x
    x = 279,358,212,761.03/608,426.45
  6. Step 6: Final answer
    x = 459,148.70

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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.