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Finding the Fourth Proportional to 452,482.84, 678,723.66 and 115,523.55

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Solution

The fourth proportional to 452,482.84, 678,723.66 and 115,523.55 is: 173,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,482.84 : 678,723.66 = 115,523.55 : x
  2. Step 2: Convert to fraction form
    452,482.84/678,723.66 = 115,523.55/x
  3. Step 3: Cross multiply
    452,482.84x = 678,723.66 × 115,523.55
  4. Step 4: Simplify right side
    452,482.84x = 78,408,566,997.10
  5. Step 5: Solve for x
    x = 78,408,566,997.10/452,482.84
  6. Step 6: Final answer
    x = 173,285.17

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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.