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Finding the Fourth Proportional to 570,792.88, 787,699.95 and 344,394.64

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Solution

The fourth proportional to 570,792.88, 787,699.95 and 344,394.64 is: 475,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,792.88 : 787,699.95 = 344,394.64 : x
  2. Step 2: Convert to fraction form
    570,792.88/787,699.95 = 344,394.64/x
  3. Step 3: Cross multiply
    570,792.88x = 787,699.95 × 344,394.64
  4. Step 4: Simplify right side
    570,792.88x = 271,279,640,708.27
  5. Step 5: Solve for x
    x = 271,279,640,708.27/570,792.88
  6. Step 6: Final answer
    x = 475,268.09

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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.