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Finding the Fourth Proportional to 481,084.34, 663,886.42 and 266,211.50

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Solution

The fourth proportional to 481,084.34, 663,886.42 and 266,211.50 is: 367,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,084.34 : 663,886.42 = 266,211.50 : x
  2. Step 2: Convert to fraction form
    481,084.34/663,886.42 = 266,211.50/x
  3. Step 3: Cross multiply
    481,084.34x = 663,886.42 × 266,211.50
  4. Step 4: Simplify right side
    481,084.34x = 176,734,195,047.34
  5. Step 5: Solve for x
    x = 176,734,195,047.34/481,084.34
  6. Step 6: Final answer
    x = 367,366.35

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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.