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Finding the Fourth Proportional to 577,123, 796,414.89 and 322,476.28

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Solution

The fourth proportional to 577,123, 796,414.89 and 322,476.28 is: 445,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,123 : 796,414.89 = 322,476.28 : x
  2. Step 2: Convert to fraction form
    577,123/796,414.89 = 322,476.28/x
  3. Step 3: Cross multiply
    577,123x = 796,414.89 × 322,476.28
  4. Step 4: Simplify right side
    577,123x = 256,824,911,063.81
  5. Step 5: Solve for x
    x = 256,824,911,063.81/577,123
  6. Step 6: Final answer
    x = 445,008.97

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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.