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Finding the Fourth Proportional to 495,933.40, 743,900.10 and 329,721.40

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Solution

The fourth proportional to 495,933.40, 743,900.10 and 329,721.40 is: 494,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,933.40 : 743,900.10 = 329,721.40 : x
  2. Step 2: Convert to fraction form
    495,933.40/743,900.10 = 329,721.40/x
  3. Step 3: Cross multiply
    495,933.40x = 743,900.10 × 329,721.40
  4. Step 4: Simplify right side
    495,933.40x = 245,279,782,432.14
  5. Step 5: Solve for x
    x = 245,279,782,432.14/495,933.40
  6. Step 6: Final answer
    x = 494,582.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.