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Finding the Fourth Proportional to 737,999.10, 1,107,436.05 and 486,002.03

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Solution

The fourth proportional to 737,999.10, 1,107,436.05 and 486,002.03 is: 729,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,999.10 : 1,107,436.05 = 486,002.03 : x
  2. Step 2: Convert to fraction form
    737,999.10/1,107,436.05 = 486,002.03/x
  3. Step 3: Cross multiply
    737,999.10x = 1,107,436.05 × 486,002.03
  4. Step 4: Simplify right side
    737,999.10x = 538,216,162,858.00
  5. Step 5: Solve for x
    x = 538,216,162,858.00/737,999.10
  6. Step 6: Final answer
    x = 729,291.08

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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.