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Finding the Fourth Proportional to 393,714,527.84, 590,017,321.64 and 301,240,250.90

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Solution

The fourth proportional to 393,714,527.84, 590,017,321.64 and 301,240,250.90 is: 451,436,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,714,527.84 : 590,017,321.64 = 301,240,250.90 : x
  2. Step 2: Convert to fraction form
    393,714,527.84/590,017,321.64 = 301,240,250.90/x
  3. Step 3: Cross multiply
    393,714,527.84x = 590,017,321.64 × 301,240,250.90
  4. Step 4: Simplify right side
    393,714,527.84x = 177,736,966,001,723,296
  5. Step 5: Solve for x
    x = 177,736,966,001,723,296/393,714,527.84
  6. Step 6: Final answer
    x = 451,436,138.21

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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.