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Finding the Fourth Proportional to 605,614.20, 908,421.30 and 593,172.60

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Solution

The fourth proportional to 605,614.20, 908,421.30 and 593,172.60 is: 889,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,614.20 : 908,421.30 = 593,172.60 : x
  2. Step 2: Convert to fraction form
    605,614.20/908,421.30 = 593,172.60/x
  3. Step 3: Cross multiply
    605,614.20x = 908,421.30 × 593,172.60
  4. Step 4: Simplify right side
    605,614.20x = 538,850,624,416.38
  5. Step 5: Solve for x
    x = 538,850,624,416.38/605,614.20
  6. Step 6: Final answer
    x = 889,758.90

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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.