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Finding the Fourth Proportional to 470,652.59, 649,504.68 and 255,792.62

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Solution

The fourth proportional to 470,652.59, 649,504.68 and 255,792.62 is: 352,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,652.59 : 649,504.68 = 255,792.62 : x
  2. Step 2: Convert to fraction form
    470,652.59/649,504.68 = 255,792.62/x
  3. Step 3: Cross multiply
    470,652.59x = 649,504.68 × 255,792.62
  4. Step 4: Simplify right side
    470,652.59x = 166,138,503,799.46
  5. Step 5: Solve for x
    x = 166,138,503,799.46/470,652.59
  6. Step 6: Final answer
    x = 352,996.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.