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Finding the Fourth Proportional to 531,588.89, 797,386.21 and 132,229.67

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Solution

The fourth proportional to 531,588.89, 797,386.21 and 132,229.67 is: 198,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,588.89 : 797,386.21 = 132,229.67 : x
  2. Step 2: Convert to fraction form
    531,588.89/797,386.21 = 132,229.67/x
  3. Step 3: Cross multiply
    531,588.89x = 797,386.21 × 132,229.67
  4. Step 4: Simplify right side
    531,588.89x = 105,438,111,093.35
  5. Step 5: Solve for x
    x = 105,438,111,093.35/531,588.89
  6. Step 6: Final answer
    x = 198,345.21

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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.