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Finding the Fourth Proportional to 322,807.01, 445,477.07 and 177,614.69

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Solution

The fourth proportional to 322,807.01, 445,477.07 and 177,614.69 is: 245,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,807.01 : 445,477.07 = 177,614.69 : x
  2. Step 2: Convert to fraction form
    322,807.01/445,477.07 = 177,614.69/x
  3. Step 3: Cross multiply
    322,807.01x = 445,477.07 × 177,614.69
  4. Step 4: Simplify right side
    322,807.01x = 79,123,268,574.70
  5. Step 5: Solve for x
    x = 79,123,268,574.70/322,807.01
  6. Step 6: Final answer
    x = 245,110.14

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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.