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Finding the Fourth Proportional to 433,042.86, 597,574.82 and 239,439.29

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Solution

The fourth proportional to 433,042.86, 597,574.82 and 239,439.29 is: 330,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,042.86 : 597,574.82 = 239,439.29 : x
  2. Step 2: Convert to fraction form
    433,042.86/597,574.82 = 239,439.29/x
  3. Step 3: Cross multiply
    433,042.86x = 597,574.82 × 239,439.29
  4. Step 4: Simplify right side
    433,042.86x = 143,082,890,247.91
  5. Step 5: Solve for x
    x = 143,082,890,247.91/433,042.86
  6. Step 6: Final answer
    x = 330,412.77

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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.