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Finding the Fourth Proportional to 470,652.95, 649,505.39 and 255,793.52

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Solution

The fourth proportional to 470,652.95, 649,505.39 and 255,793.52 is: 352,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,652.95 : 649,505.39 = 255,793.52 : x
  2. Step 2: Convert to fraction form
    470,652.95/649,505.39 = 255,793.52/x
  3. Step 3: Cross multiply
    470,652.95x = 649,505.39 × 255,793.52
  4. Step 4: Simplify right side
    470,652.95x = 166,139,265,440.58
  5. Step 5: Solve for x
    x = 166,139,265,440.58/470,652.95
  6. Step 6: Final answer
    x = 352,997.40

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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.