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Finding the Fourth Proportional to 652,861.60, 979,292.40 and 605,622.40

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Solution

The fourth proportional to 652,861.60, 979,292.40 and 605,622.40 is: 908,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,861.60 : 979,292.40 = 605,622.40 : x
  2. Step 2: Convert to fraction form
    652,861.60/979,292.40 = 605,622.40/x
  3. Step 3: Cross multiply
    652,861.60x = 979,292.40 × 605,622.40
  4. Step 4: Simplify right side
    652,861.60x = 593,081,413,589.76
  5. Step 5: Solve for x
    x = 593,081,413,589.76/652,861.60
  6. Step 6: Final answer
    x = 908,433.60

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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.