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Finding the Fourth Proportional to 469,780.80, 703,504.80 and 376,468.80

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Solution

The fourth proportional to 469,780.80, 703,504.80 and 376,468.80 is: 563,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,780.80 : 703,504.80 = 376,468.80 : x
  2. Step 2: Convert to fraction form
    469,780.80/703,504.80 = 376,468.80/x
  3. Step 3: Cross multiply
    469,780.80x = 703,504.80 × 376,468.80
  4. Step 4: Simplify right side
    469,780.80x = 264,847,607,850.24
  5. Step 5: Solve for x
    x = 264,847,607,850.24/469,780.80
  6. Step 6: Final answer
    x = 563,768.48

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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.