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Finding the Fourth Proportional to 224,338.44, 336,434.88 and 74,538.51

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Solution

The fourth proportional to 224,338.44, 336,434.88 and 74,538.51 is: 111,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,338.44 : 336,434.88 = 74,538.51 : x
  2. Step 2: Convert to fraction form
    224,338.44/336,434.88 = 74,538.51/x
  3. Step 3: Cross multiply
    224,338.44x = 336,434.88 × 74,538.51
  4. Step 4: Simplify right side
    224,338.44x = 25,077,354,667.23
  5. Step 5: Solve for x
    x = 25,077,354,667.23/224,338.44
  6. Step 6: Final answer
    x = 111,783.58

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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.