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Finding the Fourth Proportional to 626,329, 939,490.96 and 226,876.28

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Solution

The fourth proportional to 626,329, 939,490.96 and 226,876.28 is: 340,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,329 : 939,490.96 = 226,876.28 : x
  2. Step 2: Convert to fraction form
    626,329/939,490.96 = 226,876.28/x
  3. Step 3: Cross multiply
    626,329x = 939,490.96 × 226,876.28
  4. Step 4: Simplify right side
    626,329x = 213,148,214,098.43
  5. Step 5: Solve for x
    x = 213,148,214,098.43/626,329
  6. Step 6: Final answer
    x = 340,313.50

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1.5x scale

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.