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Finding the Fourth Proportional to 555,963.48, 833,817.24 and 331,387.20

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Solution

The fourth proportional to 555,963.48, 833,817.24 and 331,387.20 is: 497,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,963.48 : 833,817.24 = 331,387.20 : x
  2. Step 2: Convert to fraction form
    555,963.48/833,817.24 = 331,387.20/x
  3. Step 3: Cross multiply
    555,963.48x = 833,817.24 × 331,387.20
  4. Step 4: Simplify right side
    555,963.48x = 276,316,360,475.33
  5. Step 5: Solve for x
    x = 276,316,360,475.33/555,963.48
  6. Step 6: Final answer
    x = 497,004.52

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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.