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Finding the Fourth Proportional to 481,187.59, 722,715.56 and 354,326.81

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Solution

The fourth proportional to 481,187.59, 722,715.56 and 354,326.81 is: 532,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,187.59 : 722,715.56 = 354,326.81 : x
  2. Step 2: Convert to fraction form
    481,187.59/722,715.56 = 354,326.81/x
  3. Step 3: Cross multiply
    481,187.59x = 722,715.56 × 354,326.81
  4. Step 4: Simplify right side
    481,187.59x = 256,077,493,526.95
  5. Step 5: Solve for x
    x = 256,077,493,526.95/481,187.59
  6. Step 6: Final answer
    x = 532,178.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.