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Finding the Fourth Proportional to 597,903.67, 824,640.51 and 383,063.86

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Solution

The fourth proportional to 597,903.67, 824,640.51 and 383,063.86 is: 528,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,903.67 : 824,640.51 = 383,063.86 : x
  2. Step 2: Convert to fraction form
    597,903.67/824,640.51 = 383,063.86/x
  3. Step 3: Cross multiply
    597,903.67x = 824,640.51 × 383,063.86
  4. Step 4: Simplify right side
    597,903.67x = 315,889,976,872.97
  5. Step 5: Solve for x
    x = 315,889,976,872.97/597,903.67
  6. Step 6: Final answer
    x = 528,329.22

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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.