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Finding the Fourth Proportional to 605,078.60, 907,617.90 and 161,846.60

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Solution

The fourth proportional to 605,078.60, 907,617.90 and 161,846.60 is: 242,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,078.60 : 907,617.90 = 161,846.60 : x
  2. Step 2: Convert to fraction form
    605,078.60/907,617.90 = 161,846.60/x
  3. Step 3: Cross multiply
    605,078.60x = 907,617.90 × 161,846.60
  4. Step 4: Simplify right side
    605,078.60x = 146,894,871,214.14
  5. Step 5: Solve for x
    x = 146,894,871,214.14/605,078.60
  6. Step 6: Final answer
    x = 242,769.90

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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.