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Finding the Fourth Proportional to 536,738.40, 805,107.60 and 337,672.80

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Solution

The fourth proportional to 536,738.40, 805,107.60 and 337,672.80 is: 506,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,738.40 : 805,107.60 = 337,672.80 : x
  2. Step 2: Convert to fraction form
    536,738.40/805,107.60 = 337,672.80/x
  3. Step 3: Cross multiply
    536,738.40x = 805,107.60 × 337,672.80
  4. Step 4: Simplify right side
    536,738.40x = 271,862,937,593.28
  5. Step 5: Solve for x
    x = 271,862,937,593.28/536,738.40
  6. Step 6: Final answer
    x = 506,509.20

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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.