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Finding the Fourth Proportional to 470,610.50, 649,446.68 and 255,750.58

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Solution

The fourth proportional to 470,610.50, 649,446.68 and 255,750.58 is: 352,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,610.50 : 649,446.68 = 255,750.58 : x
  2. Step 2: Convert to fraction form
    470,610.50/649,446.68 = 255,750.58/x
  3. Step 3: Cross multiply
    470,610.50x = 649,446.68 × 255,750.58
  4. Step 4: Simplify right side
    470,610.50x = 166,096,360,563.09
  5. Step 5: Solve for x
    x = 166,096,360,563.09/470,610.50
  6. Step 6: Final answer
    x = 352,938.07

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1.5x scale

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.