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Finding the Fourth Proportional to 608,616.40, 912,924.60 and 187,891.60

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Solution

The fourth proportional to 608,616.40, 912,924.60 and 187,891.60 is: 281,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,616.40 : 912,924.60 = 187,891.60 : x
  2. Step 2: Convert to fraction form
    608,616.40/912,924.60 = 187,891.60/x
  3. Step 3: Cross multiply
    608,616.40x = 912,924.60 × 187,891.60
  4. Step 4: Simplify right side
    608,616.40x = 171,530,863,773.36
  5. Step 5: Solve for x
    x = 171,530,863,773.36/608,616.40
  6. Step 6: Final answer
    x = 281,837.40

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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.