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Finding the Fourth Proportional to 481,649.40, 722,255.40 and 182,030.40

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Solution

The fourth proportional to 481,649.40, 722,255.40 and 182,030.40 is: 272,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,649.40 : 722,255.40 = 182,030.40 : x
  2. Step 2: Convert to fraction form
    481,649.40/722,255.40 = 182,030.40/x
  3. Step 3: Cross multiply
    481,649.40x = 722,255.40 × 182,030.40
  4. Step 4: Simplify right side
    481,649.40x = 131,472,439,364.16
  5. Step 5: Solve for x
    x = 131,472,439,364.16/481,649.40
  6. Step 6: Final answer
    x = 272,962.95

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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.