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Finding the Fourth Proportional to 470,569.50, 649,473.39 and 269,365.50

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Solution

The fourth proportional to 470,569.50, 649,473.39 and 269,365.50 is: 371,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,569.50 : 649,473.39 = 269,365.50 : x
  2. Step 2: Convert to fraction form
    470,569.50/649,473.39 = 269,365.50/x
  3. Step 3: Cross multiply
    470,569.50x = 649,473.39 × 269,365.50
  4. Step 4: Simplify right side
    470,569.50x = 174,945,724,434.05
  5. Step 5: Solve for x
    x = 174,945,724,434.05/470,569.50
  6. Step 6: Final answer
    x = 371,774.47

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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.