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Finding the Fourth Proportional to 270,505.60, 404,980.80 and 165,529.60

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Solution

The fourth proportional to 270,505.60, 404,980.80 and 165,529.60 is: 247,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,505.60 : 404,980.80 = 165,529.60 : x
  2. Step 2: Convert to fraction form
    270,505.60/404,980.80 = 165,529.60/x
  3. Step 3: Cross multiply
    270,505.60x = 404,980.80 × 165,529.60
  4. Step 4: Simplify right side
    270,505.60x = 67,036,309,831.68
  5. Step 5: Solve for x
    x = 67,036,309,831.68/270,505.60
  6. Step 6: Final answer
    x = 247,818.57

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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.