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Finding the Fourth Proportional to 476,797.06, 658,016.83 and 272,911.95

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Solution

The fourth proportional to 476,797.06, 658,016.83 and 272,911.95 is: 376,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,797.06 : 658,016.83 = 272,911.95 : x
  2. Step 2: Convert to fraction form
    476,797.06/658,016.83 = 272,911.95/x
  3. Step 3: Cross multiply
    476,797.06x = 658,016.83 × 272,911.95
  4. Step 4: Simplify right side
    476,797.06x = 179,580,656,549.26
  5. Step 5: Solve for x
    x = 179,580,656,549.26/476,797.06
  6. Step 6: Final answer
    x = 376,639.60

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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.