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Finding the Fourth Proportional to 567,878.91, 783,673.56 and 326,208.30

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Solution

The fourth proportional to 567,878.91, 783,673.56 and 326,208.30 is: 450,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,878.91 : 783,673.56 = 326,208.30 : x
  2. Step 2: Convert to fraction form
    567,878.91/783,673.56 = 326,208.30/x
  3. Step 3: Cross multiply
    567,878.91x = 783,673.56 × 326,208.30
  4. Step 4: Simplify right side
    567,878.91x = 255,640,819,762.55
  5. Step 5: Solve for x
    x = 255,640,819,762.55/567,878.91
  6. Step 6: Final answer
    x = 450,167.84

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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.