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Finding the Fourth Proportional to 303,612.41, 419,022.04 and 176,288.01

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Solution

The fourth proportional to 303,612.41, 419,022.04 and 176,288.01 is: 243,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,612.41 : 419,022.04 = 176,288.01 : x
  2. Step 2: Convert to fraction form
    303,612.41/419,022.04 = 176,288.01/x
  3. Step 3: Cross multiply
    303,612.41x = 419,022.04 × 176,288.01
  4. Step 4: Simplify right side
    303,612.41x = 73,868,561,577.74
  5. Step 5: Solve for x
    x = 73,868,561,577.74/303,612.41
  6. Step 6: Final answer
    x = 243,298.89

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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.