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Finding the Fourth Proportional to 550,460.55, 825,690.83 and 314,264.55

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Solution

The fourth proportional to 550,460.55, 825,690.83 and 314,264.55 is: 471,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,460.55 : 825,690.83 = 314,264.55 : x
  2. Step 2: Convert to fraction form
    550,460.55/825,690.83 = 314,264.55/x
  3. Step 3: Cross multiply
    550,460.55x = 825,690.83 × 314,264.55
  4. Step 4: Simplify right side
    550,460.55x = 259,485,355,557.75
  5. Step 5: Solve for x
    x = 259,485,355,557.75/550,460.55
  6. Step 6: Final answer
    x = 471,396.83

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.