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Finding the Fourth Proportional to 366,891.92, 506,362.80 and 203,585.12

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Solution

The fourth proportional to 366,891.92, 506,362.80 and 203,585.12 is: 280,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,891.92 : 506,362.80 = 203,585.12 : x
  2. Step 2: Convert to fraction form
    366,891.92/506,362.80 = 203,585.12/x
  3. Step 3: Cross multiply
    366,891.92x = 506,362.80 × 203,585.12
  4. Step 4: Simplify right side
    366,891.92x = 103,087,931,401.54
  5. Step 5: Solve for x
    x = 103,087,931,401.54/366,891.92
  6. Step 6: Final answer
    x = 280,976.29

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1.5x scale

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.