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Finding the Fourth Proportional to 567,965.88, 783,766.53 and 326,078.19

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Solution

The fourth proportional to 567,965.88, 783,766.53 and 326,078.19 is: 449,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,965.88 : 783,766.53 = 326,078.19 : x
  2. Step 2: Convert to fraction form
    567,965.88/783,766.53 = 326,078.19/x
  3. Step 3: Cross multiply
    567,965.88x = 783,766.53 × 326,078.19
  4. Step 4: Simplify right side
    567,965.88x = 255,569,171,484.98
  5. Step 5: Solve for x
    x = 255,569,171,484.98/567,965.88
  6. Step 6: Final answer
    x = 449,972.75

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Double scale
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1.5x scale

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.