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Finding the Fourth Proportional to 683,281.86, 943,044.44 and 396,968.06

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Solution

The fourth proportional to 683,281.86, 943,044.44 and 396,968.06 is: 547,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,281.86 : 943,044.44 = 396,968.06 : x
  2. Step 2: Convert to fraction form
    683,281.86/943,044.44 = 396,968.06/x
  3. Step 3: Cross multiply
    683,281.86x = 943,044.44 × 396,968.06
  4. Step 4: Simplify right side
    683,281.86x = 374,358,515,140.52
  5. Step 5: Solve for x
    x = 374,358,515,140.52/683,281.86
  6. Step 6: Final answer
    x = 547,883.00

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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.