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Finding the Fourth Proportional to 424,488.96, 636,733.44 and 174,896.64

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Solution

The fourth proportional to 424,488.96, 636,733.44 and 174,896.64 is: 262,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,488.96 : 636,733.44 = 174,896.64 : x
  2. Step 2: Convert to fraction form
    424,488.96/636,733.44 = 174,896.64/x
  3. Step 3: Cross multiply
    424,488.96x = 636,733.44 × 174,896.64
  4. Step 4: Simplify right side
    424,488.96x = 111,362,539,231.64
  5. Step 5: Solve for x
    x = 111,362,539,231.64/424,488.96
  6. Step 6: Final answer
    x = 262,344.96

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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.