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Finding the Fourth Proportional to 322,672.47, 445,298.76 and 177,484.38

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Solution

The fourth proportional to 322,672.47, 445,298.76 and 177,484.38 is: 244,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,672.47 : 445,298.76 = 177,484.38 : x
  2. Step 2: Convert to fraction form
    322,672.47/445,298.76 = 177,484.38/x
  3. Step 3: Cross multiply
    322,672.47x = 445,298.76 × 177,484.38
  4. Step 4: Simplify right side
    322,672.47x = 79,033,574,333.37
  5. Step 5: Solve for x
    x = 79,033,574,333.37/322,672.47
  6. Step 6: Final answer
    x = 244,934.36

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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.