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Finding the Fourth Proportional to 304,753.58, 420,561.15 and 177,516.62

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Solution

The fourth proportional to 304,753.58, 420,561.15 and 177,516.62 is: 244,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,753.58 : 420,561.15 = 177,516.62 : x
  2. Step 2: Convert to fraction form
    304,753.58/420,561.15 = 177,516.62/x
  3. Step 3: Cross multiply
    304,753.58x = 420,561.15 × 177,516.62
  4. Step 4: Simplify right side
    304,753.58x = 74,656,593,851.31
  5. Step 5: Solve for x
    x = 74,656,593,851.31/304,753.58
  6. Step 6: Final answer
    x = 244,973.64

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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.