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Finding the Fourth Proportional to 624,375.42, 936,457.49 and 174,992.90

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Solution

The fourth proportional to 624,375.42, 936,457.49 and 174,992.90 is: 262,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,375.42 : 936,457.49 = 174,992.90 : x
  2. Step 2: Convert to fraction form
    624,375.42/936,457.49 = 174,992.90/x
  3. Step 3: Cross multiply
    624,375.42x = 936,457.49 × 174,992.90
  4. Step 4: Simplify right side
    624,375.42x = 163,873,406,344.57
  5. Step 5: Solve for x
    x = 163,873,406,344.57/624,375.42
  6. Step 6: Final answer
    x = 262,459.73

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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.