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Finding the Fourth Proportional to 608,046.60, 912,069.90 and 164,814.60

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Solution

The fourth proportional to 608,046.60, 912,069.90 and 164,814.60 is: 247,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,046.60 : 912,069.90 = 164,814.60 : x
  2. Step 2: Convert to fraction form
    608,046.60/912,069.90 = 164,814.60/x
  3. Step 3: Cross multiply
    608,046.60x = 912,069.90 × 164,814.60
  4. Step 4: Simplify right side
    608,046.60x = 150,322,435,740.54
  5. Step 5: Solve for x
    x = 150,322,435,740.54/608,046.60
  6. Step 6: Final answer
    x = 247,221.90

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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.