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Finding the Fourth Proportional to 328,243.22, 491,950.67 and 176,062.88

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Solution

The fourth proportional to 328,243.22, 491,950.67 and 176,062.88 is: 263,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,243.22 : 491,950.67 = 176,062.88 : x
  2. Step 2: Convert to fraction form
    328,243.22/491,950.67 = 176,062.88/x
  3. Step 3: Cross multiply
    328,243.22x = 491,950.67 × 176,062.88
  4. Step 4: Simplify right side
    328,243.22x = 86,614,252,127.69
  5. Step 5: Solve for x
    x = 86,614,252,127.69/328,243.22
  6. Step 6: Final answer
    x = 263,872.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.