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Finding the Fourth Proportional to 735,660, 1,097,052.30 and 728,933.76

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Solution

The fourth proportional to 735,660, 1,097,052.30 and 728,933.76 is: 1,087,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,660 : 1,097,052.30 = 728,933.76 : x
  2. Step 2: Convert to fraction form
    735,660/1,097,052.30 = 728,933.76/x
  3. Step 3: Cross multiply
    735,660x = 1,097,052.30 × 728,933.76
  4. Step 4: Simplify right side
    735,660x = 799,678,457,955.65
  5. Step 5: Solve for x
    x = 799,678,457,955.65/735,660
  6. Step 6: Final answer
    x = 1,087,021.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.