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Finding the Fourth Proportional to 366,957.95, 550,436.93 and 209,493.95

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Solution

The fourth proportional to 366,957.95, 550,436.93 and 209,493.95 is: 314,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,957.95 : 550,436.93 = 209,493.95 : x
  2. Step 2: Convert to fraction form
    366,957.95/550,436.93 = 209,493.95/x
  3. Step 3: Cross multiply
    366,957.95x = 550,436.93 × 209,493.95
  4. Step 4: Simplify right side
    366,957.95x = 115,313,206,691.57
  5. Step 5: Solve for x
    x = 115,313,206,691.57/366,957.95
  6. Step 6: Final answer
    x = 314,240.93

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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.