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Finding the Fourth Proportional to 368,544.42, 508,336.83 and 225,374.91

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Solution

The fourth proportional to 368,544.42, 508,336.83 and 225,374.91 is: 310,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,544.42 : 508,336.83 = 225,374.91 : x
  2. Step 2: Convert to fraction form
    368,544.42/508,336.83 = 225,374.91/x
  3. Step 3: Cross multiply
    368,544.42x = 508,336.83 × 225,374.91
  4. Step 4: Simplify right side
    368,544.42x = 114,566,367,310.94
  5. Step 5: Solve for x
    x = 114,566,367,310.94/368,544.42
  6. Step 6: Final answer
    x = 310,861.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.