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Finding the Fourth Proportional to 937,754.70, 1,404,558.45 and 725,729.10

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Solution

The fourth proportional to 937,754.70, 1,404,558.45 and 725,729.10 is: 1,086,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,754.70 : 1,404,558.45 = 725,729.10 : x
  2. Step 2: Convert to fraction form
    937,754.70/1,404,558.45 = 725,729.10/x
  3. Step 3: Cross multiply
    937,754.70x = 1,404,558.45 × 725,729.10
  4. Step 4: Simplify right side
    937,754.70x = 1,019,328,939,815.89
  5. Step 5: Solve for x
    x = 1,019,328,939,815.89/937,754.70
  6. Step 6: Final answer
    x = 1,086,988.89

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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.