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Finding the Fourth Proportional to 322,585.81, 445,193.33 and 193,529.13

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Solution

The fourth proportional to 322,585.81, 445,193.33 and 193,529.13 is: 267,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,585.81 : 445,193.33 = 193,529.13 : x
  2. Step 2: Convert to fraction form
    322,585.81/445,193.33 = 193,529.13/x
  3. Step 3: Cross multiply
    322,585.81x = 445,193.33 × 193,529.13
  4. Step 4: Simplify right side
    322,585.81x = 86,157,877,836.70
  5. Step 5: Solve for x
    x = 86,157,877,836.70/322,585.81
  6. Step 6: Final answer
    x = 267,085.14

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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.