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Finding the Fourth Proportional to 304,775.62, 420,585.71 and 166,953.44

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Solution

The fourth proportional to 304,775.62, 420,585.71 and 166,953.44 is: 230,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,775.62 : 420,585.71 = 166,953.44 : x
  2. Step 2: Convert to fraction form
    304,775.62/420,585.71 = 166,953.44/x
  3. Step 3: Cross multiply
    304,775.62x = 420,585.71 × 166,953.44
  4. Step 4: Simplify right side
    304,775.62x = 70,218,231,099.34
  5. Step 5: Solve for x
    x = 70,218,231,099.34/304,775.62
  6. Step 6: Final answer
    x = 230,393.20

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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.