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Finding the Fourth Proportional to 557,333.94, 835,836.78 and 158,009.58

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Solution

The fourth proportional to 557,333.94, 835,836.78 and 158,009.58 is: 236,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,333.94 : 835,836.78 = 158,009.58 : x
  2. Step 2: Convert to fraction form
    557,333.94/835,836.78 = 158,009.58/x
  3. Step 3: Cross multiply
    557,333.94x = 835,836.78 × 158,009.58
  4. Step 4: Simplify right side
    557,333.94x = 132,070,218,556.35
  5. Step 5: Solve for x
    x = 132,070,218,556.35/557,333.94
  6. Step 6: Final answer
    x = 236,967.84

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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.