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Finding the Fourth Proportional to 481,085.10, 663,881.10 and 266,234.22

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Solution

The fourth proportional to 481,085.10, 663,881.10 and 266,234.22 is: 367,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,085.10 : 663,881.10 = 266,234.22 : x
  2. Step 2: Convert to fraction form
    481,085.10/663,881.10 = 266,234.22/x
  3. Step 3: Cross multiply
    481,085.10x = 663,881.10 × 266,234.22
  4. Step 4: Simplify right side
    481,085.10x = 176,747,866,831.24
  5. Step 5: Solve for x
    x = 176,747,866,831.24/481,085.10
  6. Step 6: Final answer
    x = 367,394.18

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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.