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Finding the Fourth Proportional to 605,728.80, 908,593.20 and 601,581.60

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Solution

The fourth proportional to 605,728.80, 908,593.20 and 601,581.60 is: 902,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,728.80 : 908,593.20 = 601,581.60 : x
  2. Step 2: Convert to fraction form
    605,728.80/908,593.20 = 601,581.60/x
  3. Step 3: Cross multiply
    605,728.80x = 908,593.20 × 601,581.60
  4. Step 4: Simplify right side
    605,728.80x = 546,592,951,005.12
  5. Step 5: Solve for x
    x = 546,592,951,005.12/605,728.80
  6. Step 6: Final answer
    x = 902,372.40

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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.