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Finding the Fourth Proportional to 326,903.46, 451,138.32 and 183,660.63

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Solution

The fourth proportional to 326,903.46, 451,138.32 and 183,660.63 is: 253,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,903.46 : 451,138.32 = 183,660.63 : x
  2. Step 2: Convert to fraction form
    326,903.46/451,138.32 = 183,660.63/x
  3. Step 3: Cross multiply
    326,903.46x = 451,138.32 × 183,660.63
  4. Step 4: Simplify right side
    326,903.46x = 82,856,348,068.34
  5. Step 5: Solve for x
    x = 82,856,348,068.34/326,903.46
  6. Step 6: Final answer
    x = 253,458.16

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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.