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Finding the Fourth Proportional to 722,310.43, 996,308.43 and 464,513.31

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Solution

The fourth proportional to 722,310.43, 996,308.43 and 464,513.31 is: 640,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,310.43 : 996,308.43 = 464,513.31 : x
  2. Step 2: Convert to fraction form
    722,310.43/996,308.43 = 464,513.31/x
  3. Step 3: Cross multiply
    722,310.43x = 996,308.43 × 464,513.31
  4. Step 4: Simplify right side
    722,310.43x = 462,798,522,779.94
  5. Step 5: Solve for x
    x = 462,798,522,779.94/722,310.43
  6. Step 6: Final answer
    x = 640,719.70

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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.