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Finding the Fourth Proportional to 590,645.28, 815,092.98 and 332,526.63

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Solution

The fourth proportional to 590,645.28, 815,092.98 and 332,526.63 is: 458,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,645.28 : 815,092.98 = 332,526.63 : x
  2. Step 2: Convert to fraction form
    590,645.28/815,092.98 = 332,526.63/x
  3. Step 3: Cross multiply
    590,645.28x = 815,092.98 × 332,526.63
  4. Step 4: Simplify right side
    590,645.28x = 271,040,121,776.06
  5. Step 5: Solve for x
    x = 271,040,121,776.06/590,645.28
  6. Step 6: Final answer
    x = 458,888.15

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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.