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Finding the Fourth Proportional to 590,996.61, 815,594.76 and 332,878.38

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Solution

The fourth proportional to 590,996.61, 815,594.76 and 332,878.38 is: 459,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,996.61 : 815,594.76 = 332,878.38 : x
  2. Step 2: Convert to fraction form
    590,996.61/815,594.76 = 332,878.38/x
  3. Step 3: Cross multiply
    590,996.61x = 815,594.76 × 332,878.38
  4. Step 4: Simplify right side
    590,996.61x = 271,493,862,445.29
  5. Step 5: Solve for x
    x = 271,493,862,445.29/590,996.61
  6. Step 6: Final answer
    x = 459,383.11

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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.