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Finding the Fourth Proportional to 476,449.32, 714,002.07 and 263,313.21

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Solution

The fourth proportional to 476,449.32, 714,002.07 and 263,313.21 is: 394,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,449.32 : 714,002.07 = 263,313.21 : x
  2. Step 2: Convert to fraction form
    476,449.32/714,002.07 = 263,313.21/x
  3. Step 3: Cross multiply
    476,449.32x = 714,002.07 × 263,313.21
  4. Step 4: Simplify right side
    476,449.32x = 188,006,176,998.35
  5. Step 5: Solve for x
    x = 188,006,176,998.35/476,449.32
  6. Step 6: Final answer
    x = 394,598.48

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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.