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Finding the Fourth Proportional to 434,560.70, 651,063.45 and 367,687.10

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Solution

The fourth proportional to 434,560.70, 651,063.45 and 367,687.10 is: 550,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560.70 : 651,063.45 = 367,687.10 : x
  2. Step 2: Convert to fraction form
    434,560.70/651,063.45 = 367,687.10/x
  3. Step 3: Cross multiply
    434,560.70x = 651,063.45 × 367,687.10
  4. Step 4: Simplify right side
    434,560.70x = 239,387,631,846.50
  5. Step 5: Solve for x
    x = 239,387,631,846.50/434,560.70
  6. Step 6: Final answer
    x = 550,872.71

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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.