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Finding the Fourth Proportional to 673,563.52, 929,517.66 and 459,078.28

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Solution

The fourth proportional to 673,563.52, 929,517.66 and 459,078.28 is: 633,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,563.52 : 929,517.66 = 459,078.28 : x
  2. Step 2: Convert to fraction form
    673,563.52/929,517.66 = 459,078.28/x
  3. Step 3: Cross multiply
    673,563.52x = 929,517.66 × 459,078.28
  4. Step 4: Simplify right side
    673,563.52x = 426,721,371,487.17
  5. Step 5: Solve for x
    x = 426,721,371,487.17/673,563.52
  6. Step 6: Final answer
    x = 633,528.04

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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.