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Finding the Fourth Proportional to 336,441.20, 464,288.76 and 185,538.20

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Solution

The fourth proportional to 336,441.20, 464,288.76 and 185,538.20 is: 256,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,441.20 : 464,288.76 = 185,538.20 : x
  2. Step 2: Convert to fraction form
    336,441.20/464,288.76 = 185,538.20/x
  3. Step 3: Cross multiply
    336,441.20x = 464,288.76 × 185,538.20
  4. Step 4: Simplify right side
    336,441.20x = 86,143,298,489.19
  5. Step 5: Solve for x
    x = 86,143,298,489.19/336,441.20
  6. Step 6: Final answer
    x = 256,042.66

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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.