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Finding the Fourth Proportional to 328,451.11, 453,262.66 and 177,548.11

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Solution

The fourth proportional to 328,451.11, 453,262.66 and 177,548.11 is: 245,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,451.11 : 453,262.66 = 177,548.11 : x
  2. Step 2: Convert to fraction form
    328,451.11/453,262.66 = 177,548.11/x
  3. Step 3: Cross multiply
    328,451.11x = 453,262.66 × 177,548.11
  4. Step 4: Simplify right side
    328,451.11x = 80,475,925,462.52
  5. Step 5: Solve for x
    x = 80,475,925,462.52/328,451.11
  6. Step 6: Final answer
    x = 245,016.46

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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.