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Finding the Fourth Proportional to 216,732.53, 326,723.19 and 202,282.13

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Solution

The fourth proportional to 216,732.53, 326,723.19 and 202,282.13 is: 304,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,732.53 : 326,723.19 = 202,282.13 : x
  2. Step 2: Convert to fraction form
    216,732.53/326,723.19 = 202,282.13/x
  3. Step 3: Cross multiply
    216,732.53x = 326,723.19 × 202,282.13
  4. Step 4: Simplify right side
    216,732.53x = 66,090,261,159.98
  5. Step 5: Solve for x
    x = 66,090,261,159.98/216,732.53
  6. Step 6: Final answer
    x = 304,939.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.