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Finding the Fourth Proportional to 556,982.89, 835,490.53 and 136,258.63

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Solution

The fourth proportional to 556,982.89, 835,490.53 and 136,258.63 is: 204,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,982.89 : 835,490.53 = 136,258.63 : x
  2. Step 2: Convert to fraction form
    556,982.89/835,490.53 = 136,258.63/x
  3. Step 3: Cross multiply
    556,982.89x = 835,490.53 × 136,258.63
  4. Step 4: Simplify right side
    556,982.89x = 113,842,794,995.77
  5. Step 5: Solve for x
    x = 113,842,794,995.77/556,982.89
  6. Step 6: Final answer
    x = 204,391.91

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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.