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Finding the Fourth Proportional to 494,083.69, 740,944 and 169,779.82

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Solution

The fourth proportional to 494,083.69, 740,944 and 169,779.82 is: 254,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,083.69 : 740,944 = 169,779.82 : x
  2. Step 2: Convert to fraction form
    494,083.69/740,944 = 169,779.82/x
  3. Step 3: Cross multiply
    494,083.69x = 740,944 × 169,779.82
  4. Step 4: Simplify right side
    494,083.69x = 125,797,338,950.08
  5. Step 5: Solve for x
    x = 125,797,338,950.08/494,083.69
  6. Step 6: Final answer
    x = 254,607.35

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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.