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Finding the Fourth Proportional to 431,044.30, 594,859.59 and 240,057.70

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Solution

The fourth proportional to 431,044.30, 594,859.59 and 240,057.70 is: 331,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,044.30 : 594,859.59 = 240,057.70 : x
  2. Step 2: Convert to fraction form
    431,044.30/594,859.59 = 240,057.70/x
  3. Step 3: Cross multiply
    431,044.30x = 594,859.59 × 240,057.70
  4. Step 4: Simplify right side
    431,044.30x = 142,800,624,998.34
  5. Step 5: Solve for x
    x = 142,800,624,998.34/431,044.30
  6. Step 6: Final answer
    x = 331,289.90

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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.