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Finding the Fourth Proportional to 613,062.51, 919,594.28 and 293,139.11

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Solution

The fourth proportional to 613,062.51, 919,594.28 and 293,139.11 is: 439,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,062.51 : 919,594.28 = 293,139.11 : x
  2. Step 2: Convert to fraction form
    613,062.51/919,594.28 = 293,139.11/x
  3. Step 3: Cross multiply
    613,062.51x = 919,594.28 × 293,139.11
  4. Step 4: Simplify right side
    613,062.51x = 269,569,042,736.62
  5. Step 5: Solve for x
    x = 269,569,042,736.62/613,062.51
  6. Step 6: Final answer
    x = 439,708.90

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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.