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Finding the Fourth Proportional to 608,529.60, 912,794.40 and 276,105.60

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Solution

The fourth proportional to 608,529.60, 912,794.40 and 276,105.60 is: 414,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,529.60 : 912,794.40 = 276,105.60 : x
  2. Step 2: Convert to fraction form
    608,529.60/912,794.40 = 276,105.60/x
  3. Step 3: Cross multiply
    608,529.60x = 912,794.40 × 276,105.60
  4. Step 4: Simplify right side
    608,529.60x = 252,027,645,488.64
  5. Step 5: Solve for x
    x = 252,027,645,488.64/608,529.60
  6. Step 6: Final answer
    x = 414,158.40

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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.