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Finding the Fourth Proportional to 244,639.55, 366,959.33 and 209,647.55

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Solution

The fourth proportional to 244,639.55, 366,959.33 and 209,647.55 is: 314,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,639.55 : 366,959.33 = 209,647.55 : x
  2. Step 2: Convert to fraction form
    244,639.55/366,959.33 = 209,647.55/x
  3. Step 3: Cross multiply
    244,639.55x = 366,959.33 × 209,647.55
  4. Step 4: Simplify right side
    244,639.55x = 76,932,124,484.14
  5. Step 5: Solve for x
    x = 76,932,124,484.14/244,639.55
  6. Step 6: Final answer
    x = 314,471.33

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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.