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Finding the Fourth Proportional to 470,969.10, 649,954.53 and 269,803.98

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Solution

The fourth proportional to 470,969.10, 649,954.53 and 269,803.98 is: 372,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,969.10 : 649,954.53 = 269,803.98 : x
  2. Step 2: Convert to fraction form
    470,969.10/649,954.53 = 269,803.98/x
  3. Step 3: Cross multiply
    470,969.10x = 649,954.53 × 269,803.98
  4. Step 4: Simplify right side
    470,969.10x = 175,360,319,013.03
  5. Step 5: Solve for x
    x = 175,360,319,013.03/470,969.10
  6. Step 6: Final answer
    x = 372,339.33

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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.