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Finding the Fourth Proportional to 626,225.64, 939,450.78 and 293,793

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Solution

The fourth proportional to 626,225.64, 939,450.78 and 293,793 is: 440,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,225.64 : 939,450.78 = 293,793 : x
  2. Step 2: Convert to fraction form
    626,225.64/939,450.78 = 293,793/x
  3. Step 3: Cross multiply
    626,225.64x = 939,450.78 × 293,793
  4. Step 4: Simplify right side
    626,225.64x = 276,004,063,008.54
  5. Step 5: Solve for x
    x = 276,004,063,008.54/626,225.64
  6. Step 6: Final answer
    x = 440,742.19

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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.