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Finding the Fourth Proportional to 539,510.72, 744,524.87 and 297,793.38

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Solution

The fourth proportional to 539,510.72, 744,524.87 and 297,793.38 is: 410,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,510.72 : 744,524.87 = 297,793.38 : x
  2. Step 2: Convert to fraction form
    539,510.72/744,524.87 = 297,793.38/x
  3. Step 3: Cross multiply
    539,510.72x = 744,524.87 × 297,793.38
  4. Step 4: Simplify right side
    539,510.72x = 221,714,576,042.39
  5. Step 5: Solve for x
    x = 221,714,576,042.39/539,510.72
  6. Step 6: Final answer
    x = 410,954.91

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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.