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Finding the Fourth Proportional to 481,411.48, 664,368.60 and 266,551.52

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Solution

The fourth proportional to 481,411.48, 664,368.60 and 266,551.52 is: 367,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,411.48 : 664,368.60 = 266,551.52 : x
  2. Step 2: Convert to fraction form
    481,411.48/664,368.60 = 266,551.52/x
  3. Step 3: Cross multiply
    481,411.48x = 664,368.60 × 266,551.52
  4. Step 4: Simplify right side
    481,411.48x = 177,088,460,170.27
  5. Step 5: Solve for x
    x = 177,088,460,170.27/481,411.48
  6. Step 6: Final answer
    x = 367,852.59

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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.