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Finding the Fourth Proportional to 535,379.16, 738,810.50 and 293,659.58

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Solution

The fourth proportional to 535,379.16, 738,810.50 and 293,659.58 is: 405,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,379.16 : 738,810.50 = 293,659.58 : x
  2. Step 2: Convert to fraction form
    535,379.16/738,810.50 = 293,659.58/x
  3. Step 3: Cross multiply
    535,379.16x = 738,810.50 × 293,659.58
  4. Step 4: Simplify right side
    535,379.16x = 216,958,781,129.59
  5. Step 5: Solve for x
    x = 216,958,781,129.59/535,379.16
  6. Step 6: Final answer
    x = 405,243.23

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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.