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Finding the Fourth Proportional to 369,969.70, 554,954.55 and 336,727.30

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Solution

The fourth proportional to 369,969.70, 554,954.55 and 336,727.30 is: 505,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,969.70 : 554,954.55 = 336,727.30 : x
  2. Step 2: Convert to fraction form
    369,969.70/554,954.55 = 336,727.30/x
  3. Step 3: Cross multiply
    369,969.70x = 554,954.55 × 336,727.30
  4. Step 4: Simplify right side
    369,969.70x = 186,868,347,244.22
  5. Step 5: Solve for x
    x = 186,868,347,244.22/369,969.70
  6. Step 6: Final answer
    x = 505,090.95

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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.