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Finding the Fourth Proportional to 329,347.70, 454,324.51 and 200,325.63

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Solution

The fourth proportional to 329,347.70, 454,324.51 and 200,325.63 is: 276,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,347.70 : 454,324.51 = 200,325.63 : x
  2. Step 2: Convert to fraction form
    329,347.70/454,324.51 = 200,325.63/x
  3. Step 3: Cross multiply
    329,347.70x = 454,324.51 × 200,325.63
  4. Step 4: Simplify right side
    329,347.70x = 91,012,843,690.19
  5. Step 5: Solve for x
    x = 91,012,843,690.19/329,347.70
  6. Step 6: Final answer
    x = 276,342.73

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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.