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Finding the Fourth Proportional to 573,797.09, 859,033.54 and 432,238.54

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Solution

The fourth proportional to 573,797.09, 859,033.54 and 432,238.54 is: 647,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,797.09 : 859,033.54 = 432,238.54 : x
  2. Step 2: Convert to fraction form
    573,797.09/859,033.54 = 432,238.54/x
  3. Step 3: Cross multiply
    573,797.09x = 859,033.54 × 432,238.54
  4. Step 4: Simplify right side
    573,797.09x = 371,307,398,845.46
  5. Step 5: Solve for x
    x = 371,307,398,845.46/573,797.09
  6. Step 6: Final answer
    x = 647,105.76

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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.