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Finding the Fourth Proportional to 470,408.73, 649,169.58 and 255,552.18

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Solution

The fourth proportional to 470,408.73, 649,169.58 and 255,552.18 is: 352,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,408.73 : 649,169.58 = 255,552.18 : x
  2. Step 2: Convert to fraction form
    470,408.73/649,169.58 = 255,552.18/x
  3. Step 3: Cross multiply
    470,408.73x = 649,169.58 × 255,552.18
  4. Step 4: Simplify right side
    470,408.73x = 165,896,701,358.68
  5. Step 5: Solve for x
    x = 165,896,701,358.68/470,408.73
  6. Step 6: Final answer
    x = 352,665.01

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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.