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Finding the Fourth Proportional to 470,773.52, 649,671.64 and 255,913.93

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Solution

The fourth proportional to 470,773.52, 649,671.64 and 255,913.93 is: 353,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,773.52 : 649,671.64 = 255,913.93 : x
  2. Step 2: Convert to fraction form
    470,773.52/649,671.64 = 255,913.93/x
  3. Step 3: Cross multiply
    470,773.52x = 649,671.64 × 255,913.93
  4. Step 4: Simplify right side
    470,773.52x = 166,260,022,774.25
  5. Step 5: Solve for x
    x = 166,260,022,774.25/470,773.52
  6. Step 6: Final answer
    x = 353,163.50

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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.