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Finding the Fourth Proportional to 370,514.08, 511,306.08 and 200,747.68

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Solution

The fourth proportional to 370,514.08, 511,306.08 and 200,747.68 is: 277,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,514.08 : 511,306.08 = 200,747.68 : x
  2. Step 2: Convert to fraction form
    370,514.08/511,306.08 = 200,747.68/x
  3. Step 3: Cross multiply
    370,514.08x = 511,306.08 × 200,747.68
  4. Step 4: Simplify right side
    370,514.08x = 102,643,509,329.89
  5. Step 5: Solve for x
    x = 102,643,509,329.89/370,514.08
  6. Step 6: Final answer
    x = 277,029.98

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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.