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Finding the Fourth Proportional to 573,720.48, 791,603.60 and 331,996.96

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Solution

The fourth proportional to 573,720.48, 791,603.60 and 331,996.96 is: 458,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,720.48 : 791,603.60 = 331,996.96 : x
  2. Step 2: Convert to fraction form
    573,720.48/791,603.60 = 331,996.96/x
  3. Step 3: Cross multiply
    573,720.48x = 791,603.60 × 331,996.96
  4. Step 4: Simplify right side
    573,720.48x = 262,809,988,725.06
  5. Step 5: Solve for x
    x = 262,809,988,725.06/573,720.48
  6. Step 6: Final answer
    x = 458,080.19

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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.