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Finding the Fourth Proportional to 557,115.35, 835,663.50 and 178,033.32

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Solution

The fourth proportional to 557,115.35, 835,663.50 and 178,033.32 is: 267,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,115.35 : 835,663.50 = 178,033.32 : x
  2. Step 2: Convert to fraction form
    557,115.35/835,663.50 = 178,033.32/x
  3. Step 3: Cross multiply
    557,115.35x = 835,663.50 × 178,033.32
  4. Step 4: Simplify right side
    557,115.35x = 148,775,947,307.82
  5. Step 5: Solve for x
    x = 148,775,947,307.82/557,115.35
  6. Step 6: Final answer
    x = 267,046.94

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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.