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Finding the Fourth Proportional to 436,755.25, 602,601.01 and 281,640.91

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Solution

The fourth proportional to 436,755.25, 602,601.01 and 281,640.91 is: 388,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,755.25 : 602,601.01 = 281,640.91 : x
  2. Step 2: Convert to fraction form
    436,755.25/602,601.01 = 281,640.91/x
  3. Step 3: Cross multiply
    436,755.25x = 602,601.01 × 281,640.91
  4. Step 4: Simplify right side
    436,755.25x = 169,717,095,516.92
  5. Step 5: Solve for x
    x = 169,717,095,516.92/436,755.25
  6. Step 6: Final answer
    x = 388,586.27

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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.