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Finding the Fourth Proportional to 323,111.34, 445,935.60 and 185,344.11

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Solution

The fourth proportional to 323,111.34, 445,935.60 and 185,344.11 is: 255,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,111.34 : 445,935.60 = 185,344.11 : x
  2. Step 2: Convert to fraction form
    323,111.34/445,935.60 = 185,344.11/x
  3. Step 3: Cross multiply
    323,111.34x = 445,935.60 × 185,344.11
  4. Step 4: Simplify right side
    323,111.34x = 82,651,536,899.32
  5. Step 5: Solve for x
    x = 82,651,536,899.32/323,111.34
  6. Step 6: Final answer
    x = 255,798.94

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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.