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Finding the Fourth Proportional to 737,362.40, 1,106,043.12 and 421,597.76

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Solution

The fourth proportional to 737,362.40, 1,106,043.12 and 421,597.76 is: 632,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,362.40 : 1,106,043.12 = 421,597.76 : x
  2. Step 2: Convert to fraction form
    737,362.40/1,106,043.12 = 421,597.76/x
  3. Step 3: Cross multiply
    737,362.40x = 1,106,043.12 × 421,597.76
  4. Step 4: Simplify right side
    737,362.40x = 466,305,301,855.41
  5. Step 5: Solve for x
    x = 466,305,301,855.41/737,362.40
  6. Step 6: Final answer
    x = 632,396.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.