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Finding the Fourth Proportional to 366,957.90, 550,436.85 and 117,665.10

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Solution

The fourth proportional to 366,957.90, 550,436.85 and 117,665.10 is: 176,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,957.90 : 550,436.85 = 117,665.10 : x
  2. Step 2: Convert to fraction form
    366,957.90/550,436.85 = 117,665.10/x
  3. Step 3: Cross multiply
    366,957.90x = 550,436.85 × 117,665.10
  4. Step 4: Simplify right side
    366,957.90x = 64,767,206,998.94
  5. Step 5: Solve for x
    x = 64,767,206,998.94/366,957.90
  6. Step 6: Final answer
    x = 176,497.65

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1.5x scale

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.