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Finding the Fourth Proportional to 608,613.60, 913,006.80 and 187,845.60

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Solution

The fourth proportional to 608,613.60, 913,006.80 and 187,845.60 is: 281,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,613.60 : 913,006.80 = 187,845.60 : x
  2. Step 2: Convert to fraction form
    608,613.60/913,006.80 = 187,845.60/x
  3. Step 3: Cross multiply
    608,613.60x = 913,006.80 × 187,845.60
  4. Step 4: Simplify right side
    608,613.60x = 171,504,310,150.08
  5. Step 5: Solve for x
    x = 171,504,310,150.08/608,613.60
  6. Step 6: Final answer
    x = 281,795.07

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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.