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Finding the Fourth Proportional to 605,199.60, 907,799.40 and 161,967.60

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Solution

The fourth proportional to 605,199.60, 907,799.40 and 161,967.60 is: 242,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,199.60 : 907,799.40 = 161,967.60 : x
  2. Step 2: Convert to fraction form
    605,199.60/907,799.40 = 161,967.60/x
  3. Step 3: Cross multiply
    605,199.60x = 907,799.40 × 161,967.60
  4. Step 4: Simplify right side
    605,199.60x = 147,034,090,099.44
  5. Step 5: Solve for x
    x = 147,034,090,099.44/605,199.60
  6. Step 6: Final answer
    x = 242,951.40

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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.