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Finding the Fourth Proportional to 481,471.84, 664,422.95 and 266,607.29

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Solution

The fourth proportional to 481,471.84, 664,422.95 and 266,607.29 is: 367,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,471.84 : 664,422.95 = 266,607.29 : x
  2. Step 2: Convert to fraction form
    481,471.84/664,422.95 = 266,607.29/x
  3. Step 3: Cross multiply
    481,471.84x = 664,422.95 × 266,607.29
  4. Step 4: Simplify right side
    481,471.84x = 177,139,999,457.71
  5. Step 5: Solve for x
    x = 177,139,999,457.71/481,471.84
  6. Step 6: Final answer
    x = 367,913.52

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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.