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Finding the Fourth Proportional to 790,760, 1,183,164 and 554,563.52

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Solution

The fourth proportional to 790,760, 1,183,164 and 554,563.52 is: 829,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,760 : 1,183,164 = 554,563.52 : x
  2. Step 2: Convert to fraction form
    790,760/1,183,164 = 554,563.52/x
  3. Step 3: Cross multiply
    790,760x = 1,183,164 × 554,563.52
  4. Step 4: Simplify right side
    790,760x = 656,139,592,577.28
  5. Step 5: Solve for x
    x = 656,139,592,577.28/790,760
  6. Step 6: Final answer
    x = 829,758.20

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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.