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Finding the Fourth Proportional to 605,640.60, 908,460.90 and 605,640.60

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Solution

The fourth proportional to 605,640.60, 908,460.90 and 605,640.60 is: 908,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,640.60 : 908,460.90 = 605,640.60 : x
  2. Step 2: Convert to fraction form
    605,640.60/908,460.90 = 605,640.60/x
  3. Step 3: Cross multiply
    605,640.60x = 908,460.90 × 605,640.60
  4. Step 4: Simplify right side
    605,640.60x = 550,200,804,552.54
  5. Step 5: Solve for x
    x = 550,200,804,552.54/605,640.60
  6. Step 6: Final answer
    x = 908,460.90

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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.