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Finding the Fourth Proportional to 794,502.60, 1,189,785.60 and 509,755.20

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Solution

The fourth proportional to 794,502.60, 1,189,785.60 and 509,755.20 is: 763,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,502.60 : 1,189,785.60 = 509,755.20 : x
  2. Step 2: Convert to fraction form
    794,502.60/1,189,785.60 = 509,755.20/x
  3. Step 3: Cross multiply
    794,502.60x = 1,189,785.60 × 509,755.20
  4. Step 4: Simplify right side
    794,502.60x = 606,499,396,485.12
  5. Step 5: Solve for x
    x = 606,499,396,485.12/794,502.60
  6. Step 6: Final answer
    x = 763,369.93

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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.