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Finding the Fourth Proportional to 481,219.84, 664,084.64 and 266,374.72

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Solution

The fourth proportional to 481,219.84, 664,084.64 and 266,374.72 is: 367,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,219.84 : 664,084.64 = 266,374.72 : x
  2. Step 2: Convert to fraction form
    481,219.84/664,084.64 = 266,374.72/x
  3. Step 3: Cross multiply
    481,219.84x = 664,084.64 × 266,374.72
  4. Step 4: Simplify right side
    481,219.84x = 176,895,360,036.30
  5. Step 5: Solve for x
    x = 176,895,360,036.30/481,219.84
  6. Step 6: Final answer
    x = 367,597.81

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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.