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Finding the Fourth Proportional to 557,035.05, 835,672.52 and 177,866.66

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Solution

The fourth proportional to 557,035.05, 835,672.52 and 177,866.66 is: 266,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,035.05 : 835,672.52 = 177,866.66 : x
  2. Step 2: Convert to fraction form
    557,035.05/835,672.52 = 177,866.66/x
  3. Step 3: Cross multiply
    557,035.05x = 835,672.52 × 177,866.66
  4. Step 4: Simplify right side
    557,035.05x = 148,638,279,669.45
  5. Step 5: Solve for x
    x = 148,638,279,669.45/557,035.05
  6. Step 6: Final answer
    x = 266,838.29

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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.