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Finding the Fourth Proportional to 370,632.65, 511,476.12 and 200,866.77

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Solution

The fourth proportional to 370,632.65, 511,476.12 and 200,866.77 is: 277,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,632.65 : 511,476.12 = 200,866.77 : x
  2. Step 2: Convert to fraction form
    370,632.65/511,476.12 = 200,866.77/x
  3. Step 3: Cross multiply
    370,632.65x = 511,476.12 × 200,866.77
  4. Step 4: Simplify right side
    370,632.65x = 102,738,556,156.53
  5. Step 5: Solve for x
    x = 102,738,556,156.53/370,632.65
  6. Step 6: Final answer
    x = 277,197.81

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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.