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Finding the Fourth Proportional to 529,309.50, 793,964.25 and 135,325.50

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Solution

The fourth proportional to 529,309.50, 793,964.25 and 135,325.50 is: 202,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,309.50 : 793,964.25 = 135,325.50 : x
  2. Step 2: Convert to fraction form
    529,309.50/793,964.25 = 135,325.50/x
  3. Step 3: Cross multiply
    529,309.50x = 793,964.25 × 135,325.50
  4. Step 4: Simplify right side
    529,309.50x = 107,443,609,113.38
  5. Step 5: Solve for x
    x = 107,443,609,113.38/529,309.50
  6. Step 6: Final answer
    x = 202,988.25

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Similar ratio
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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.