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Finding the Fourth Proportional to 599,915.68, 827,905.74 and 328,001.68

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Solution

The fourth proportional to 599,915.68, 827,905.74 and 328,001.68 is: 452,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,915.68 : 827,905.74 = 328,001.68 : x
  2. Step 2: Convert to fraction form
    599,915.68/827,905.74 = 328,001.68/x
  3. Step 3: Cross multiply
    599,915.68x = 827,905.74 × 328,001.68
  4. Step 4: Simplify right side
    599,915.68x = 271,554,473,601.64
  5. Step 5: Solve for x
    x = 271,554,473,601.64/599,915.68
  6. Step 6: Final answer
    x = 452,654.40

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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.