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Finding the Fourth Proportional to 556,022.40, 834,033.60 and 276,086.40

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Solution

The fourth proportional to 556,022.40, 834,033.60 and 276,086.40 is: 414,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,022.40 : 834,033.60 = 276,086.40 : x
  2. Step 2: Convert to fraction form
    556,022.40/834,033.60 = 276,086.40/x
  3. Step 3: Cross multiply
    556,022.40x = 834,033.60 × 276,086.40
  4. Step 4: Simplify right side
    556,022.40x = 230,265,334,103.04
  5. Step 5: Solve for x
    x = 230,265,334,103.04/556,022.40
  6. Step 6: Final answer
    x = 414,129.60

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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.