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Finding the Fourth Proportional to 707,626.43, 975,884.46 and 465,819.56

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Solution

The fourth proportional to 707,626.43, 975,884.46 and 465,819.56 is: 642,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,626.43 : 975,884.46 = 465,819.56 : x
  2. Step 2: Convert to fraction form
    707,626.43/975,884.46 = 465,819.56/x
  3. Step 3: Cross multiply
    707,626.43x = 975,884.46 × 465,819.56
  4. Step 4: Simplify right side
    707,626.43x = 454,586,069,768.04
  5. Step 5: Solve for x
    x = 454,586,069,768.04/707,626.43
  6. Step 6: Final answer
    x = 642,409.68

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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.