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Finding the Fourth Proportional to 535,100.66, 738,435.01 and 293,379.25

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Solution

The fourth proportional to 535,100.66, 738,435.01 and 293,379.25 is: 404,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,100.66 : 738,435.01 = 293,379.25 : x
  2. Step 2: Convert to fraction form
    535,100.66/738,435.01 = 293,379.25/x
  3. Step 3: Cross multiply
    535,100.66x = 738,435.01 × 293,379.25
  4. Step 4: Simplify right side
    535,100.66x = 216,641,504,248.47
  5. Step 5: Solve for x
    x = 216,641,504,248.47/535,100.66
  6. Step 6: Final answer
    x = 404,861.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.