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Finding the Fourth Proportional to 981,662.98, 1,354,935.47 and 600,009.70

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Solution

The fourth proportional to 981,662.98, 1,354,935.47 and 600,009.70 is: 828,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,662.98 : 1,354,935.47 = 600,009.70 : x
  2. Step 2: Convert to fraction form
    981,662.98/1,354,935.47 = 600,009.70/x
  3. Step 3: Cross multiply
    981,662.98x = 1,354,935.47 × 600,009.70
  4. Step 4: Simplify right side
    981,662.98x = 812,974,424,874.06
  5. Step 5: Solve for x
    x = 812,974,424,874.06/981,662.98
  6. Step 6: Final answer
    x = 828,160.42

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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.